fix(CI): Only run phpunit OCI when needed

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

.github/workflows/phpunit-oci.yml

@@ -42,7 +42,7 @@ jobs:
   phpunit-oci:
     runs-on: ubuntu-latest
 
-    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+    if: needs.changes.outputs.src != 'false' && ${{ github.repository_owner != 'nextcloud-gmbh' }}
 
     strategy:
       matrix: