Bump coverage from 7.4.0 to 7.4.3

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.4.0 to 7.4.3.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](https://github.com/nedbat/coveragepy/compare/7.4.0...7.4.3)

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

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

requirements.txt

@@ -8,7 +8,7 @@ chardet==5.2.0
 charset-normalizer==3.3.2
 colorama==0.4.6
 configobj==5.0.8
-coverage==7.4.0
+coverage==7.4.3
 cx-Freeze==6.15.15
 cx-Logging==3.1.0
 decorator==5.1.1