Bump pytest from 7.2.2 to 7.3.0 in /requirements (microsoft#1227)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.2.2 to 7.3.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.2.2...7.3.0)

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

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

Author: dependabot[bot]

requirements/tests.txt

@@ -2,6 +2,6 @@
 mypy==1.2.0
 nbmake==1.4.1
 omegaconf==2.3.0
-pytest==7.2.2
+pytest==7.3.0
 pytest-cov==4.0.0
 tensorboard==2.12.1