Add GITHUB_TOKEN write access test workflow

.github/workflows/test-github-token-write.yml

@@ -0,0 +1,17 @@
+name: Test GITHUB_TOKEN Write Access
+
+on:
+  workflow_dispatch: # Allows you to manually trigger this test
+
+jobs:
+  test-write-access:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Test GITHUB_TOKEN Write Access
+        env:
+          ISSUE_NUMBER: 138 # Replace with an existing issue number in your repository
+        run: |
+          curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            -X POST \
+            -d '{"body": "Testing GITHUB_TOKEN write access"}' \
+            "https://api.github.com/repos/${{ github.repository }}/issues/${ISSUE_NUMBER}/comments"