chore(deps): update dependency pytest to v6.2.5 (#237)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pytest](https://docs.pytest.org/en/latest/) ([source](https://togithub.com/pytest-dev/pytest), [changelog](https://docs.pytest.org/en/stable/changelog.html)) | `==6.2.4` -> `==6.2.5` | [![age](https://badges.renovateapi.com/packages/pypi/pytest/6.2.5/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/pytest/6.2.5/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/pytest/6.2.5/compatibility-slim/6.2.4)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/pytest/6.2.5/confidence-slim/6.2.4)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>pytest-dev/pytest</summary>

### [`v6.2.5`](https://togithub.com/pytest-dev/pytest/releases/6.2.5)

[Compare Source](https://togithub.com/pytest-dev/pytest/compare/6.2.4...6.2.5)

# pytest 6.2.5 (2021-08-29)

## Trivial/Internal Changes

-   [#&#8203;8494](https://togithub.com/pytest-dev/pytest/issues/8494): Python 3.10 is now supported.
-   [#&#8203;9040](https://togithub.com/pytest-dev/pytest/issues/9040): Enable compatibility with `pluggy 1.0` or later.

</details>

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packages/google-cloud-translate/samples/snippets/hybrid_glossaries/requirements-test.txt

@@ -1 +1 @@
-pytest==6.2.4
+pytest==6.2.5

packages/google-cloud-translate/samples/snippets/requirements-test.txt

@@ -1,3 +1,3 @@
 backoff==1.11.1
 flaky==3.7.0
-pytest==6.2.4
+pytest==6.2.5