Update pytest requirement from ~=6.2 to ~=7.1

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.0...7.1.0)

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

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

requirements-test.txt

@@ -5,7 +5,7 @@ mypy==0.930
 pre-commit~=2.16
 pylint~=2.12
 pylint-strict-informational==0.1
-pytest~=6.2
+pytest~=7.1
 pytest-asyncio~=0.16
 pytest-cov~=3.0
 requests-mock~=1.9