use macos for render-readme (#201)

Author: etiennebacher

.github/workflows/render-readme.yml

@@ -11,7 +11,7 @@ name: render-readme
 
 jobs:
   render-readme:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}