Bump the dependencies group across 1 directory with 2 updates

Bumps the dependencies group with 2 updates in the /receptorctl directory: [coverage](https://github.com/nedbat/coveragepy) and [pytest-cov](https://github.com/pytest-dev/pytest-cov).


Updates `coverage` from 7.6.1 to 7.6.4
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.1...7.6.4)

Updates `pytest-cov` from 5.0.0 to 6.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: pytest-cov
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

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

receptorctl/requirements/tests.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile --allow-unsafe --output-file=requirements/tests.txt --strip-extras requirements/tests.in
 #
-coverage==7.6.1
+coverage==7.6.4
     # via
     #   -r requirements/tests.in
     #   pytest-cov
@@ -18,5 +18,5 @@ pytest==8.3.3
     # via
     #   -r requirements/tests.in
     #   pytest-cov
-pytest-cov==5.0.0
+pytest-cov==6.0.0
     # via -r requirements/tests.in