fix workflow dispatch

Author: rebornix

.github/workflows/copilot-setup-steps.yml

@@ -1,10 +1,15 @@
 name: Copilot Setup Steps
 
+# Automatically run the setup steps when they are changed to allow for easy validation, and
+# allow manual testing through the repository's "Actions" tab
 on:
   workflow_dispatch:
-
-permissions:
-  contents: read
+  push:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+  pull_request:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
 
 jobs:
   setup-environment: