chore: add personal access token for sponsors readme action

Author: jaydrogers

.github/workflows/scheduled-task_update-sponsors.yml

@@ -12,6 +12,8 @@ jobs:
     steps:
       - name: Checkout 🛎️
         uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.SPONSORS_README_ACTION_PERSONAL_ACCESS_TOKEN }}
 
       - name: Generate Sponsors 💖
         uses: JamesIves/github-sponsors-readme-action@v1