Update add-contributor-on-merge.yml

Author: ravixalgorithm

.github/workflows/add-contributor-on-merge.yml

@@ -26,22 +26,22 @@ jobs:
 
       - name: Get PR author username
         if: github.event_name == 'pull_request'
-        id: get_author
+        id: get_pr_author
         run: echo "username=${{ github.event.pull_request.user.login }}" >> $GITHUB_OUTPUT
 
       - name: Get committer username (for push)
         if: github.event_name == 'push'
-        id: get_author
+        id: get_committer
         run: echo "username=${{ github.actor }}" >> $GITHUB_OUTPUT
 
       - name: Add contributor to README
         env:
-          CONTRIBUTOR_USERNAME: ${{ steps.get_author.outputs.username }}
+          CONTRIBUTOR_USERNAME: ${{ steps.get_pr_author.outputs.username || steps.get_committer.outputs.username }}
         run: |
           node .github/scripts/add-contributor.js
 
       - name: Commit changes
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
-          commit_message: "chore: add ${{ steps.get_author.outputs.username }} to Contributors in README"
+          commit_message: "chore: add ${{ steps.get_pr_author.outputs.username || steps.get_committer.outputs.username }} to Contributors in README"
           branch: main