Update pytest-cov requirement from ~=6.1 to ~=6.2 (#10429)

Updates the requirements on [pytest-cov](https://github.com/pytest-dev/pytest-cov) to permit the latest version.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.1.0...v6.2.1)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 6.2.1
  dependency-type: direct:production
...

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Author: dependabot[bot]

requirements_test.txt

@@ -2,7 +2,7 @@
 coverage~=7.8
 tbump~=6.11.0
 contributors-txt>=1.0.0
-pytest-cov~=6.1
+pytest-cov~=6.2
 pytest-xdist~=3.7
 six
 tox>=3