Fix permissions issue

Author: sebastienvermeille

.github/workflows/pushpreview.yml

@@ -10,6 +10,9 @@ jobs:
   preview:
     runs-on: ubuntu-24.04
     if: github.event.label.name == 'preview'
+    permissions:
+      pull-requests: write  # Ensure permission to add comments
+      contents: read        # Default for reading the repository contents
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Comment