Bump coverage from 7.3.3 to 7.4.0

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.3.3 to 7.4.0.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.3.3...7.4.0)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements-dev.txt

@@ -3,7 +3,7 @@ backports.entry-points-selectable==1.3.0
 certifi==2023.11.17
 cfgv==3.4.0
 charset-normalizer==3.3.2
-coverage==7.3.3
+coverage==7.4.0
 distlib==0.3.8
 filelock==3.13.1
 flake8==6.1.0