Merge pull request #2631 from nginx-proxy/dependabot/pip/test/requirements/pytest-8.4.0

ci: bump pytest from 8.3.5 to 8.4.0 in /test/requirements

test/requirements/python-requirements.txt

@@ -1,6 +1,6 @@
 backoff==2.2.1
 docker==7.1.0
 packaging==25.0
-pytest==8.3.5
+pytest==8.4.0
 requests==2.32.3
 urllib3==2.4.0