[Testing CI] Set mongo image version tag

Author: WaVEV

.github/workflows/test-python.yml

@@ -53,6 +53,6 @@ jobs:
         uses: supercharge/[email protected]
         with:
           mongodb-image: mongodb/mongodb-atlas-local
-          mongodb-version: 6.0
+          mongodb-version: 7.0.4
       - name: Run tests
         run: python3 django_repo/tests/runtests_.py