chore(deps): bump pytest from 7.0.0 to 7.2.1 in /dev_requirements (aws#513)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.0.0 to 7.2.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.0.0...7.2.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

dev_requirements/test-requirements.txt

@@ -1,7 +1,7 @@
 hypothesis==6.31.6
 mock==4.0.3
 moto==3.0.2
-pytest==7.0.0
+pytest==7.2.1
 pytest-cov==3.0.0
 pytest-mock==3.10.0
 pytest-xdist==2.5.0