fix PR cases

action.yaml

@@ -371,14 +371,7 @@ runs:
         # case when the triggered event is a manual workflow dispatch or a new branch or tag creation, we would need to deploy the image because we cannot determine that it does not need to be deployed
         if [[ "$GITHUB_EVENT_BEFORE" == "0000000000000000000000000000000000000000" ||  -z $GITHUB_EVENT_BEFORE && -z $GITHUB_EVENT_AFTER ]]; then
           echo "Manual workflow dispatch or a new branch or tag creation, hence missing github event before and/or after commit hash"
-        elif [[ "$GITHUB_REF" == refs/pull/*/merge ]]; then
-          pr_number="${GITHUB_REF#refs/pull/}"
-          pr_number="${pr_number%%/*}"
-          echo "Pull request triggered the workflow: $pr_number"
-          DAGS_ONLY_DEPLOY=false
-          SKIP_IMAGE_OR_DAGS_DEPLOY=false
-          files=()
-        elif [[ "$GITHUB_REF" == refs/heads/* ]]; then
+        else
           branch=$(echo "${GITHUB_REF#refs/heads/}")
           echo "Branch push triggered the workflow: $branch"
           git fetch origin $branch
@@ -387,11 +380,8 @@ runs:
           else
             SKIP_IMAGE_OR_DAGS_DEPLOY=true
             files=$(git diff --name-only ${{ github.event.before }} ${{ github.event.after }})
+            echo "files changed: $files"
           fi
-          echo "files changed: $files"
-        else
-          echo "Unknown event type: $GITHUB_REF, using image deploy"
-        fi
 
         for file in $files; do
           if [[ $file =~ ^"${{ inputs.root-folder }}".* ]]; then