update secrets

Author: kblok

.github/workflows/sponsors-in-readme.yml

@@ -13,5 +13,5 @@ jobs:
       - name: Generate Sponsors 💖
         uses: JamesIves/github-sponsors-readme-action@v1
         with:
-          token: ${{ secrets.PAT }}
+          token: ${{ secrets.GITHUB_TOKEN }}
           file: 'README.md'