Merge pull request #17096 from open-webui/dependabot/pip/backend/dev/pytest-approx-eq-8.4.1

build(deps): update pytest requirement from ~=8.3.5 to ~=8.4.1 in /backend

backend/requirements.txt

@@ -115,7 +115,7 @@ google-auth-oauthlib
 
 ## Tests
 docker~=7.1.0
-pytest~=8.3.5
+pytest~=8.4.1
 pytest-docker~=3.1.1
 
 googleapis-common-protos==1.63.2