Change trigger

Author: foolip

.github/workflows/labels.yml

@@ -1,8 +1,8 @@
 name: labels
 on:
-  push:
-    branches:
-    - labels-workflow
+  # Trigger every Monday morning, or manually.
+  schedule:
+    - cron: 55 5 * * 1
   workflow_dispatch:
 jobs:
   update: