Merge pull request #871 from puppetlabs/pdksync_cat-770-run_mend_on_prs

pdksync - (CAT-770) - Update mend to run on pull_request_target

Author: LukasAud

.github/workflows/mend.yml

@@ -6,13 +6,26 @@ on:
   pull_request_target:
     types:
       - opened
+      - synchronize
   workflow_dispatch:
 
 jobs:
   mend:
     runs-on: ubuntu-latest
     steps:
+      # If we are on a PR, checkout the PR head sha, else checkout the default branch
+      - name: "Set the checkout ref"
+        id: set_ref
+        run: |
+          if [[ "${{ github.event_name }}" == "pull_request_target" ]]; then
+            echo "ref=${{ github.event.pull_request.head.sha }}" >> $GITHUB_OUTPUT
+          else
+            echo "ref=${{ github.ref }}" >> $GITHUB_OUTPUT
+          fi
+
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ steps.set_ref.outputs.ref }}
 
       - name: 'setup node: 18 platform: ${{ runner.os }}'
         uses: actions/setup-node@v4