Better git logic for updating contributors in readme

.github/workflows/update-contributors.yml

@@ -24,26 +24,27 @@ jobs:
       - name: Install dependencies
         run: npm ci
         
-      - name: Update contributors
-        run: npm run update-contributors
+      - name: Update contributors and check for changes
+        run: |
+          npm run update-contributors
+          git diff --quiet README.md || echo "changes=true" >> $GITHUB_OUTPUT
+        id: check-changes
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          
-      - name: Check for changes
-        id: check-changes
+
+      - name: Stage changes
+        if: steps.check-changes.outputs.changes == 'true'
         run: |
-          if [[ -n "$(git status --porcelain README.md)" ]]; then
-            echo "changes=true" >> $GITHUB_OUTPUT
-          else
-            echo "No changes to README.md"
-          fi
-          
+          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add README.md
+          git commit -m "docs: update contributors list [skip ci]"
+        
       - name: Create Pull Request
         if: steps.check-changes.outputs.changes == 'true'
         uses: peter-evans/create-pull-request@v5
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          commit-message: "docs: update contributors list"
           title: "Update contributors list"
           body: |
             Automated update of contributors list in README.md