chore: fix is-sponsor-label

Author: moul

.github/workflows/label-sponsors.yml

@@ -9,6 +9,6 @@ jobs:
     name: is-sponsor-label
     runs-on: ubuntu-latest
     steps:
-      - uses: JasonEtco/is-sponsor-label-action@v1
+      - uses: JasonEtco/is-sponsor-label-action@v1.2.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}