fix workflow action

.github/workflows/validate-icons.yml

@@ -9,6 +9,8 @@ jobs:
   validate:
     if: github.repository == 'tabler/tabler-icons'
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js 20
@@ -45,8 +47,6 @@ jobs:
 
       - name: Comment PR
         uses: thollander/actions-comment-pull-request@v2
-        permissions:
-          contents: write
         with:
           filePath: ./comment-markup.md
           comment_tag: validate