chore(deps): update dependency google-cloud-media-translation to v0.5.2 (#89)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-media-translation](https://togithub.com/googleapis/python-media-translation) | `==0.5.0` -> `==0.5.2` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-media-translation/0.5.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-media-translation/0.5.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-media-translation/0.5.2/compatibility-slim/0.5.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-media-translation/0.5.2/confidence-slim/0.5.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/python-media-translation</summary>

### [`v0.5.2`](https://togithub.com/googleapis/python-media-translation/blob/master/CHANGELOG.md#&#8203;052-httpswwwgithubcomgoogleapispython-media-translationcomparev051v052-2021-07-20)

[Compare Source](https://togithub.com/googleapis/python-media-translation/compare/v0.5.0...v0.5.2)

</details>

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media-translation/snippets/requirements.txt

@@ -1,3 +1,3 @@
-google-cloud-media-translation==0.5.0
+google-cloud-media-translation==0.5.2
 pyaudio==0.2.11
 six==1.16.0