Bump coverage from 4.5.4 to 7.3.1

Bumps [coverage](https://github.com/nedbat/coveragepy) from 4.5.4 to 7.3.1.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@coverage-4.5.4...7.3.1)

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

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

requirements.txt

@@ -16,7 +16,7 @@ python-dotenv==0.10.3
 gunicorn==19.9.0
 
 # Test dependencies
-coverage==4.5.4
+coverage==7.3.1
 mock==3.0.5
 model-mommy==1.6.0
 xmlunittest==0.5.0