chore(deps): update dependency pytest to v7.0.1 (#245)

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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)) | `==7.0.0` -> `==7.0.1` | [![age](https://badges.renovateapi.com/packages/pypi/pytest/7.0.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/pytest/7.0.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/pytest/7.0.1/compatibility-slim/7.0.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/pytest/7.0.1/confidence-slim/7.0.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v7.0.1`](https://togithub.com/pytest-dev/pytest/releases/7.0.1)

[Compare Source](https://togithub.com/pytest-dev/pytest/compare/7.0.0...7.0.1)

# pytest 7.0.1 (2022-02-11)

## Bug Fixes

-   [#&#8203;9608](https://togithub.com/pytest-dev/pytest/issues/9608): Fix invalid importing of `importlib.readers` in Python 3.9.
-   [#&#8203;9610](https://togithub.com/pytest-dev/pytest/issues/9610): Restore \[UnitTestFunction.obj]{.title-ref} to return unbound rather than bound method.
    Fixes a crash during a failed teardown in unittest TestCases with non-default \[\__init\_\_]{.title-ref}.
    Regressed in pytest 7.0.0.
-   [#&#8203;9636](https://togithub.com/pytest-dev/pytest/issues/9636): The `pythonpath` plugin was renamed to `python_path`. This avoids a conflict with the `pytest-pythonpath` plugin.
-   [#&#8203;9642](https://togithub.com/pytest-dev/pytest/issues/9642): Fix running tests by id with `::` in the parametrize portion.
-   [#&#8203;9643](https://togithub.com/pytest-dev/pytest/issues/9643): Delay issuing a `~pytest.PytestWarning`{.interpreted-text role="class"} about diamond inheritance involving `~pytest.Item`{.interpreted-text role="class"} and
    `~pytest.Collector`{.interpreted-text role="class"} so it can be filtered using `standard warning filters <warnings>`{.interpreted-text role="ref"}.

</details>

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container_registry/container_analysis/snippets/requirements-test.txt

@@ -1 +1 @@
-pytest==7.0.0
+pytest==7.0.1

container_registry/container_analysis/snippets/requirements.txt

@@ -1,6 +1,6 @@
 google-cloud-pubsub==2.9.0
 google-cloud-containeranalysis==2.7.0
 grafeas==1.4.1
-pytest==7.0.0
+pytest==7.0.1
 flaky==3.7.0
 mock==4.0.3