Bump pytest from 7.3.0 to 7.3.1 in /tools

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.3.0 to 7.3.1.
- [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/7.3.0...7.3.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/tools/requirements_pytest.txt b/tools/requirements_pytest.txt
index 37cd95d..0d4be55 100644
--- a/tools/requirements_pytest.txt
+++ b/tools/requirements_pytest.txt
@@ -1,3 +1,3 @@
-pytest==7.3.0
+pytest==7.3.1
 pytest-cov==4.0.0
 hypothesis==6.72.0