Update coveralls requirement from ~=3.0 to ~=3.3

Updates the requirements on [coveralls](https://github.com/TheKevJames/coveralls-python) to permit the latest version.
- [Release notes](https://github.com/TheKevJames/coveralls-python/releases)
- [Changelog](https://github.com/TheKevJames/coveralls-python/blob/master/CHANGELOG.md)
- [Commits](TheKevJames/coveralls-python@3.0.0...3.3.1)

---
updated-dependencies:
- dependency-name: coveralls
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements_test.txt

@@ -1,6 +1,6 @@
 -r requirements_test_min.txt
 -r requirements_test_pre_commit.txt
-coveralls~=3.0
+coveralls~=3.3
 coverage~=5.5
 pre-commit~=2.17
 pytest-cov~=2.11