Revert "Updated label-sponsors GitHub Action"

This reverts commit f0a548f138af147b44451a15d57ce69b3122a18e.

.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@v1.1.3
+      - uses: JasonEtco/is-sponsor-label-action@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}