Bump pytest from 6.2.5 to 7.0.0 (#845)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.5 to 7.0.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/6.2.5...7.0.0)

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

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

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

requirements.txt

@@ -4,7 +4,7 @@ requests==2.27.1
 coreapi==2.3.3
 gitpython==3.1.20
 pre-commit==2.17.0
-pytest==6.2.5
+pytest==7.0.0
 pytest-mypy-plugins==1.9.3
 psycopg2-binary
 -e ./django_stubs_ext