chore(deps): update dependency uuid to v8 (#460)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [uuid](https://togithub.com/uuidjs/uuid) | devDependencies | major | [`^7.0.0` -> `^8.0.0`](https://renovatebot.com/diffs/npm/uuid/7.0.3/8.0.0) |

---

### Release Notes

<details>
<summary>uuidjs/uuid</summary>

### [`v8.0.0`](https://togithub.com/uuidjs/uuid/blob/master/CHANGELOG.md#&#8203;800-httpsgithubcomuuidjsuuidcomparev703v800-2020-04-29)

[Compare Source](https://togithub.com/uuidjs/uuid/compare/v7.0.3...v8.0.0)

##### ⚠ BREAKING CHANGES

-   For native ECMAScript Module (ESM) usage in Node.js only named exports are exposed, there is no more default export.

    ```diff
    -import uuid from 'uuid';
    -console.log(uuid.v4()); // -> 'cd6c3b08-0adc-4f4b-a6ef-36087a1c9869'
    +import { v4 as uuidv4 } from 'uuid';
    +uuidv4(); // ⇨ '9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d'
    ```

-   Deep requiring specific algorithms of this library like `require('uuid/v4')`, which has been deprecated in `uuid@7`, is no longer supported.

    Instead use the named exports that this module exports.

    For ECMAScript Modules (ESM):

    ```diff
    -import uuidv4 from 'uuid/v4';
    +import { v4 as uuidv4 } from 'uuid';
    uuidv4();
    ```

    For CommonJS:

    ```diff
    -const uuidv4 = require('uuid/v4');
    +const { v4: uuidv4 } = require('uuid');
    uuidv4();
    ```

##### Features

-   native Node.js ES Modules (wrapper approach) ([#&#8203;423](https://togithub.com/uuidjs/uuid/issues/423)) ([2d9f590](https://togithub.com/uuidjs/uuid/commit/2d9f590ad9701d692625c07ed62f0a0f91227991)), closes [#&#8203;245](https://togithub.com/uuidjs/uuid/issues/245) [#&#8203;419](https://togithub.com/uuidjs/uuid/issues/419) [#&#8203;342](https://togithub.com/uuidjs/uuid/issues/342)
-   remove deep requires ([#&#8203;426](https://togithub.com/uuidjs/uuid/issues/426)) ([daf72b8](https://togithub.com/uuidjs/uuid/commit/daf72b84ceb20272a81bb5fbddb05dd95922cbba))

##### Bug Fixes

-   add CommonJS syntax example to README quickstart section ([#&#8203;417](https://togithub.com/uuidjs/uuid/issues/417)) ([e0ec840](https://togithub.com/uuidjs/uuid/commit/e0ec8402c7ad44b7ef0453036c612f5db513fda0))

##### [7.0.3](https://togithub.com/uuidjs/uuid/compare/v7.0.2...v7.0.3) (2020-03-31)

##### Bug Fixes

-   make deep require deprecation warning work in browsers ([#&#8203;409](https://togithub.com/uuidjs/uuid/issues/409)) ([4b71107](https://togithub.com/uuidjs/uuid/commit/4b71107d8c0d2ef56861ede6403fc9dc35a1e6bf)), closes [#&#8203;408](https://togithub.com/uuidjs/uuid/issues/408)

##### [7.0.2](https://togithub.com/uuidjs/uuid/compare/v7.0.1...v7.0.2) (2020-03-04)

##### Bug Fixes

-   make access to msCrypto consistent ([#&#8203;393](https://togithub.com/uuidjs/uuid/issues/393)) ([8bf2a20](https://togithub.com/uuidjs/uuid/commit/8bf2a20f3565df743da7215eebdbada9d2df118c))
-   simplify link in deprecation warning ([#&#8203;391](https://togithub.com/uuidjs/uuid/issues/391)) ([bb2c8e4](https://togithub.com/uuidjs/uuid/commit/bb2c8e4e9f4c5f9c1eaaf3ea59710c633cd90cb7))
-   update links to match content in readme ([#&#8203;386](https://togithub.com/uuidjs/uuid/issues/386)) ([44f2f86](https://togithub.com/uuidjs/uuid/commit/44f2f86e9d2bbf14ee5f0f00f72a3db1292666d4))

##### [7.0.1](https://togithub.com/uuidjs/uuid/compare/v7.0.0...v7.0.1) (2020-02-25)

##### Bug Fixes

-   clean up esm builds for node and browser ([#&#8203;383](https://togithub.com/uuidjs/uuid/issues/383)) ([59e6a49](https://togithub.com/uuidjs/uuid/commit/59e6a49e7ce7b3e8fb0f3ee52b9daae72af467dc))
-   provide browser versions independent from module system ([#&#8203;380](https://togithub.com/uuidjs/uuid/issues/380)) ([4344a22](https://togithub.com/uuidjs/uuid/commit/4344a22e7aed33be8627eeaaf05360f256a21753)), closes [#&#8203;378](https://togithub.com/uuidjs/uuid/issues/378)

</details>

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packages/google-cloud-language/samples/package.json

@@ -24,6 +24,6 @@
   "devDependencies": {
     "chai": "^4.2.0",
     "mocha": "^7.0.0",
-    "uuid": "^7.0.0"
+    "uuid": "^8.0.0"
   }
 }