Update render.yaml

Author: tmorrell

.github/workflows/render.yaml

@@ -12,6 +12,11 @@ on:
 
 name: Render and publish site
 
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+
 # Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
 # However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
 concurrency: