feat: update action

.github/workflows/github-actions-demo.yml

@@ -6,11 +6,10 @@ jobs:
     permissions: write-all
     runs-on: ubuntu-latest
     steps:
-      - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
       - name: Create or Update Comment
         uses: peter-evans/create-or-update-comment@v2.1.1
         with:
           issue-number: 5
           body: |
-            Test comment
+            https://patch-diff.githubusercontent.com/raw/${{ github.repository }}/pull/{{ github.context.issue.number}}.diff
           reactions: 'rocket'