Bump coverage[toml] from 6.4.3 to 6.4.4

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 6.4.3 to 6.4.4.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.4.3...6.4.4)

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

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

Author: dependabot[bot]

requirements-test.txt

@@ -1,6 +1,6 @@
 -e .
 # Requirements for testing and coverage reporting
-coverage[toml]==6.4.3
+coverage[toml]==6.4.4
 coveralls==3.3.1
 pytest==7.1.2
 pytest-cov==3.0.0