fix(ci): skip labeler in forks to prevent secret missing error

.github/workflows/labeler.yml

@@ -11,13 +11,16 @@ permissions:
 jobs:
   label:
     runs-on: ubuntu-latest
+    if: github.repository == 'clawdbot/clawdbot'
     steps:
-      - uses: actions/create-github-app-token@v1
+      - name: Generate Token
+        uses: actions/create-github-app-token@v1
         id: app-token
         with:
           app-id: "2729701"
           private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}
-      - uses: actions/labeler@v5
+      - name: Label PR
+        uses: actions/labeler@v5
         with:
           configuration-path: .github/labeler.yml
           repo-token: ${{ steps.app-token.outputs.token }}