chore(deps): update dependency google-cloud-dns to v0.34.0 (GoogleClo…

…udPlatform#6913)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-dns](https://togithub.com/googleapis/python-dns) | `==0.33.1` -> `==0.34.0` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-dns/0.34.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-dns/0.34.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-dns/0.34.0/compatibility-slim/0.33.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-dns/0.34.0/confidence-slim/0.33.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/python-dns</summary>

### [`v0.34.0`](https://togithub.com/googleapis/python-dns/blob/master/CHANGELOG.md#&#8203;0340-httpswwwgithubcomgoogleapispython-dnscomparev0331v0340-2021-10-08)

[Compare Source](https://togithub.com/googleapis/python-dns/compare/v0.33.1...v0.34.0)

##### Features

-   add support for Python 3.10 ([#&GoogleCloudPlatform#8203;121](https://www.togithub.com/googleapis/python-dns/issues/121)) ([af8be30](https://www.github.com/googleapis/python-dns/commit/af8be306e5c8512602e739471c016d84b4b46759))

##### [0.33.1](https://www.github.com/googleapis/python-dns/compare/v0.33.0...v0.33.1) (2021-09-20)

##### Bug Fixes

-   remove six ([#&GoogleCloudPlatform#8203;115](https://www.togithub.com/googleapis/python-dns/issues/115)) ([95f94ef](https://www.github.com/googleapis/python-dns/commit/95f94ef4d75273deae56dc8ecfcc708e2be84d03))

</details>

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---

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dns/api/requirements.txt

@@ -1 +1 @@
-google-cloud-dns==0.33.1
+google-cloud-dns==0.34.0