fix(deps): update dependency @google-cloud/text-to-speech to v3 (#538)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [@google-cloud/text-to-speech](https://togithub.com/googleapis/nodejs-text-to-speech) | dependencies | major | [`^1.1.4` -> `^3.0.0`](https://renovatebot.com/diffs/npm/@google-cloud%2ftext-to-speech/1.4.1/3.0.0) |

---

### Release Notes

<details>
<summary>googleapis/nodejs-text-to-speech</summary>

### [`v3.0.0`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;300-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev230v300-2020-06-04)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.3.0...v3.0.0)

##### ⚠ BREAKING CHANGES

-   The library now supports Node.js v10+. The last version to support Node.js v8 is tagged legacy-8 on NPM.

##### Features

-   drop node8 support ([#&#8203;373](https://www.github.com/googleapis/nodejs-text-to-speech/issues/373)) ([21e3598](https://www.github.com/googleapis/nodejs-text-to-speech/commit/21e359885c39d4dfc6ed0a231fd66d35628fa0cb))

##### Bug Fixes

-   regen protos and tests, formatting ([#&#8203;401](https://www.github.com/googleapis/nodejs-text-to-speech/issues/401)) ([6c7d38a](https://www.github.com/googleapis/nodejs-text-to-speech/commit/6c7d38a0a217d6d7a7d77dcde3756b10e47fb220))
-   remove eslint, update gax, fix generated protos, run the generator ([#&#8203;385](https://www.github.com/googleapis/nodejs-text-to-speech/issues/385)) ([f035747](https://www.github.com/googleapis/nodejs-text-to-speech/commit/f0357470f152c97a8203edeff2a8385068e3e316))
-   remove unused files in package ([#&#8203;389](https://www.github.com/googleapis/nodejs-text-to-speech/issues/389)) ([7b1e5e4](https://www.github.com/googleapis/nodejs-text-to-speech/commit/7b1e5e4abe442e54219b53a7e17ab20c0c277995))
-   synth.py clean up for multiple version ([#&#8203;403](https://www.github.com/googleapis/nodejs-text-to-speech/issues/403)) ([1b36546](https://www.github.com/googleapis/nodejs-text-to-speech/commit/1b36546437ec40e882d771c238a2926a5c18eee9))

### [`v2.3.0`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;230-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev220v230-2020-03-06)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.2.0...v2.3.0)

##### Features

-   deferred client initialization ([#&#8203;359](https://www.github.com/googleapis/nodejs-text-to-speech/issues/359)) ([547fb77](https://www.github.com/googleapis/nodejs-text-to-speech/commit/547fb77d625a6c25ef288e8bdad19d448113271e))
-   export protos in src/index.ts ([b6ca82f](https://www.github.com/googleapis/nodejs-text-to-speech/commit/b6ca82f901d4791d3d4994a5782c7f19d449becf))

### [`v2.2.0`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;220-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev213v220-2020-02-12)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.1.3...v2.2.0)

##### Features

-   bump release level to ga ([#&#8203;342](https://www.github.com/googleapis/nodejs-text-to-speech/issues/342)) ([eca7bfa](https://www.github.com/googleapis/nodejs-text-to-speech/commit/eca7bfabbab2fc169e77922bbda3d7b79e34e1c4))

##### [2.1.3](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v2.1.2...v2.1.3) (2020-02-01)

##### Bug Fixes

-   enum, bytes, and Long types now accept strings ([3839359](https://www.github.com/googleapis/nodejs-text-to-speech/commit/3839359a2cc8397f93fdb656a9b4c3a04b0ef488))

##### [2.1.2](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v2.1.1...v2.1.2) (2020-01-03)

##### Bug Fixes

-   "client already closed" error fires earlier ([41b39bc](https://www.github.com/googleapis/nodejs-text-to-speech/commit/41b39bce3a598e6034a4b63c122b1ce89ddec5b5))

##### [2.1.1](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v2.1.0...v2.1.1) (2019-12-30)

##### Bug Fixes

-   increase timeout from 20s to 60s ([#&#8203;312](https://www.github.com/googleapis/nodejs-text-to-speech/issues/312)) ([ea9f75c](https://www.github.com/googleapis/nodejs-text-to-speech/commit/ea9f75c383351724ae0f5186073c5289d2f8996a))
-   move region tag to encompass catch ([#&#8203;320](https://www.github.com/googleapis/nodejs-text-to-speech/issues/320)) ([988c5f5](https://www.github.com/googleapis/nodejs-text-to-speech/commit/988c5f55859bca543a79800d6eb4668dafeec70f))

### [`v2.1.3`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;213-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev212v213-2020-02-01)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.1.2...v2.1.3)

### [`v2.1.2`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;212-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev211v212-2020-01-03)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.1.1...v2.1.2)

### [`v2.1.1`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;211-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev210v211-2019-12-30)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.1.0...v2.1.1)

### [`v2.1.0`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;210-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev202v210-2019-12-11)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.0.2...v2.1.0)

##### Features

-   make service stub public ([921f404](https://www.github.com/googleapis/nodejs-text-to-speech/commit/921f404c156379c6073f5a0db224df703b2d3e3e))

##### Bug Fixes

-   **deps:** pin TypeScript below 3.7.0 ([4da93ee](https://www.github.com/googleapis/nodejs-text-to-speech/commit/4da93ee0b509c1260b9c49e7794b6546ecd2ed6e))

##### [2.0.2](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v2.0.1...v2.0.2) (2019-11-20)

##### Bug Fixes

-   **docs:** bump release level to beta ([#&#8203;297](https://www.github.com/googleapis/nodejs-text-to-speech/issues/297)) ([247ae7a](https://www.github.com/googleapis/nodejs-text-to-speech/commit/247ae7a1c402d04ec5285faad6e92d736a03c825))

##### [2.0.1](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v2.0.0...v2.0.1) (2019-11-18)

##### Bug Fixes

-   **deps:** update dependency yargs to v15 ([#&#8203;295](https://www.github.com/googleapis/nodejs-text-to-speech/issues/295)) ([2c7eea2](https://www.github.com/googleapis/nodejs-text-to-speech/commit/2c7eea213ad6211a38b0ee2d591d52d79a3b4c0a))

### [`v2.0.2`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;202-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev201v202-2019-11-20)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.0.1...v2.0.2)

### [`v2.0.1`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;201-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev200v201-2019-11-18)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v2.0.0...v2.0.1)

### [`v2.0.0`](https://togithub.com/googleapis/nodejs-text-to-speech/blob/master/CHANGELOG.md#&#8203;200-httpswwwgithubcomgoogleapisnodejs-text-to-speechcomparev141v200-2019-11-14)

[Compare Source](https://togithub.com/googleapis/nodejs-text-to-speech/compare/v1.4.1...v2.0.0)

##### ⚠ BREAKING CHANGES

-   move library to typescript code generation ([#&#8203;285](https://togithub.com/googleapis/nodejs-text-to-speech/issues/285))

Starting with this release, the auto-generated library code was changed from JavaScript to TypeScript, so all the TypeScript types are now exported from the `.d.ts` files.

Please note that if you used `@types/google-cloud__text-to-speech` package to get TypeScript types for this library, you need to stop using it and remove it from your `devDependencies`.

If you see any issues caused by this migration to TypeScript, please feel free to submit an issue!

##### Features

-   move library to typescript code generation ([#&#8203;285](https://www.github.com/googleapis/nodejs-text-to-speech/issues/285)) ([d3d6208](https://www.github.com/googleapis/nodejs-text-to-speech/commit/d3d620853adc54fe7b671fa01643f6b0ef94794b))

##### Bug Fixes

-   import long into proto ts declaration file ([#&#8203;288](https://www.github.com/googleapis/nodejs-text-to-speech/issues/288)) ([5bfb2ab](https://www.github.com/googleapis/nodejs-text-to-speech/commit/5bfb2ab7f76625361d52ad945733087877e03800))
-   **docs:** snippets are now replaced in jsdoc comments ([#&#8203;287](https://www.github.com/googleapis/nodejs-text-to-speech/issues/287)) ([6e77aaf](https://www.github.com/googleapis/nodejs-text-to-speech/commit/6e77aaf10d814ab5366117c7251c29f25aa603b3))

##### [1.4.1](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v1.4.0...v1.4.1) (2019-10-22)

##### Bug Fixes

-   **deps:** bump google-gax to 1.7.5 ([#&#8203;280](https://www.github.com/googleapis/nodejs-text-to-speech/issues/280)) ([9e426ca](https://www.github.com/googleapis/nodejs-text-to-speech/commit/9e426cab4d62165d0cb79d8e489a5ccd1a1cfb46))

</details>

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samples/package.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@google-cloud/automl": "^2.0.0",
-    "@google-cloud/text-to-speech": "^1.1.4",
+    "@google-cloud/text-to-speech": "^3.0.0",
     "@google-cloud/translate": "^6.0.0",
     "@google-cloud/vision": "^2.0.0",
     "yargs": "^15.0.0"