build(deps): bump the test-and-lint-dependencies group with 1 update

Bumps the test-and-lint-dependencies group with 1 update: [coverage](https://github.com/nedbat/coveragepy).


Updates `coverage` from 7.4.2 to 7.4.3
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.4.2...7.4.3)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: test-and-lint-dependencies
...

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

Author: dependabot[bot]

requirements/test.txt

@@ -4,4 +4,4 @@
 -r pinned.txt
 
 # coverage measurement
-coverage==7.4.2
+coverage==7.4.3