Remove push trigger, keep only pull_request

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jonathanpeppers

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

@@ -2,9 +2,6 @@ name: "Copilot Setup Steps"
 
 on:
   workflow_dispatch:
-  push:
-    paths:
-      - .github/workflows/copilot-setup-steps.yml
   pull_request:
     paths:
       - .github/workflows/copilot-setup-steps.yml