DEVOPS-00: build only on merged prs

Author: AlexAtkinson

.github/workflows/build-and-release.yml

@@ -1,8 +1,8 @@
 name: Build
 on:
-  push:
-    branches:
-      - main
+  pull_request:
+    types:
+      - closed
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -27,7 +27,7 @@ jobs:
           echo "FUNCTION=$FUNCTION" >> $GITHUB_ENV
       - name: Run GitOps Automatic Versioning Action
         id: gitops-autover
-        uses: AlexAtkinson/github-action-gitops-autover@0.1.5
+        uses: AlexAtkinson/github-action-gitops-autover@0.1.6
       - name: Set Version Dependent Envars
         run: |
           VERSION=${{ steps.gitops-autover.outputs.new-version }}