ci: rolling: fix changes check working directory

Signed-off-by: Marc 'risson' Schmitt <[email protected]>

Author: rissson

.github/workflows/rolling.yml

@@ -49,6 +49,7 @@ jobs:
           sparse-checkout-cone-mode: false
       - id: changes
         name: Check for changes
+        working-directory: authentik
         run: |
           if git diff --exit-code -- schema.yml > /dev/null; then
             echo "schema_has_changes=false" >> "$GITHUB_OUTPUT"