Bump pytest from 8.2.1 to 8.3.1 in /.github/workflows

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.2.1 to 8.3.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.2.1...8.3.1)

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

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

Author: dependabot[bot]

.github/workflows/constraints.txt

@@ -5,7 +5,7 @@ nox-poetry==1.0.3
 playwright==1.44.0
 poetry==1.8.3
 poetry-plugin-export==1.8.0
-pytest==8.2.1
+pytest==8.3.1
 pytest-cov==5.0.0
 pytest-django==4.8.0
 pytest-mock==3.14.0