CCM-8044: Only Deploy on Merge Test - Fix workflow dispatch

Author: jamesthompson26-nhs

.github/workflows/pr_closed.yaml

@@ -23,9 +23,10 @@ jobs:
         run: echo "merged=${{ github.event.pull_request.merged }}" >> $GITHUB_OUTPUT
 
   deploy-main:
-    needs: check-merge
-    if: github.event_name == 'workflow_dispatch' || needs.check-merge.outputs.merged == 'true'
+  deploy-main:
+    runs-on: ubuntu-latest
     name: Deploy changes to main in dev AWS account blah
+    if: github.event_name == 'workflow_dispatch' || github.event.pull_request.merged == 'true'
 
     permissions:
       id-token: write