Bump coverage from 7.5.1 to 7.5.3 (#1994)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.5.1 to 7.5.3.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.5.1...7.5.3)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

server/requirements.txt

@@ -8,7 +8,7 @@ wooper==0.4.4
 requests
 requests-mock==1.12.1
 icalendar>=4.0.3,<5.1
-coverage==7.5.1
+coverage==7.5.3
 deepdiff
 coveralls
 mock