Update sponsors list

Author: kblok

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

@@ -0,0 +1,17 @@
+name: Generate Sponsors README
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: 30 15 * * 0-6
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+
+      - name: Generate Sponsors 💖
+        uses: JamesIves/github-sponsors-readme-action@v1
+        with:
+          token: ${{ secrets.PAT }}
+          file: 'README.md'