Move copilot-setup-steps.yml to workflows directory for proper execution (#1640)

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

@@ -6,10 +6,10 @@ on:
   workflow_dispatch:
   push:
     paths:
-      - .github/copilot-setup-steps.yml
+      - .github/workflows/copilot-setup-steps.yml
   pull_request:
     paths:
-      - .github/copilot-setup-steps.yml
+      - .github/workflows/copilot-setup-steps.yml
 
 jobs:
   # The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.