Bump coverage[toml] from 7.1.0 to 7.2.4

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 7.1.0 to 7.2.4.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.1.0...7.2.4)

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

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

requirements-dev.txt

@@ -28,7 +28,7 @@ cffi==1.15.1
     # via cryptography
 charset-normalizer==3.0.1
     # via requests
-coverage[toml]==7.1.0
+coverage[toml]==7.2.4
     # via
     #   pytest-cov
     #   website (pyproject.toml)