Bump coverage[toml] from 6.4.2 to 6.4.3

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 6.4.2 to 6.4.3.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.4.2...6.4.3)

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

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

requirements-dev.txt

@@ -11,5 +11,5 @@ wheel==0.37.1
 setuptools==63.4.2
 twine==4.0.1
 pillow==9.2.0
-coverage[toml]==6.4.2
+coverage[toml]==6.4.3
 beautifulsoup4==4.11.1