Bump pytest from 7.3.1 to 7.4.0

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.3.1 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@7.3.1...7.4.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -74,7 +74,7 @@ dev-pylint = [
   "frequenz-api-dispatch[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]
 dev-pytest = [
-  "pytest == 7.3.1",
+  "pytest == 7.4.0",
   "frequenz-repo-config[extra-lint-examples] == 0.5.2",
 ]
 dev = [