Bump pytest from 7.1.0 to 7.1.1 in /requirements (#986)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.1.0 to 7.1.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.1.0...7.1.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/requirements_tests.txt

@@ -1,7 +1,7 @@
 autopep8==1.6.0
 matplotlib==3.5.1
 pandas==1.4.1
-pytest==7.1.0
+pytest==7.1.1
 pytest-cov==3.0.0
 pyvista==0.33.3
 scipy==1.8.0