Bump pytest from 7.4.3 to 8.1.1 in /.github/workflows

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.4.3 to 8.1.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.4.3...8.1.1)

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

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

.github/workflows/constraints.txt

@@ -4,6 +4,6 @@ nox==2023.4.22
 nox-poetry==1.0.3
 playwright==1.40.0
 poetry==1.7.1
-pytest==7.4.3
+pytest==8.1.1
 pytest-cov==4.1.0
 pytest-django==4.7.0