Bump coverage from 6.2 to 7.3.2

Bumps [coverage](https://github.com/nedbat/coveragepy) from 6.2 to 7.3.2.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.2...7.3.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements-dev.txt

@@ -1,6 +1,6 @@
 pytest==7.1.2
 pytest-cov==4.1.0
-coverage==6.2
+coverage==7.3.2
 mypy==0.950
 pydocstyle==6.1.1
 flake8==4.0.1