build(deps): bump pytest from 7.3.0 to 7.4.0 in /tools/release

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.3.0 to 7.4.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.3.0...7.4.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

tools/release/requirements.txt

@@ -1,2 +1,2 @@
 PyGithub==1.58.1
-pytest==7.3.0
+pytest==7.4.0