Update docker.yaml - add permissions (#1211)

Author: garvinhicking

.github/workflows/docker.yaml

@@ -9,6 +9,10 @@ on:
 env:
   REGISTRY: ghcr.io
 
+permissions:
+  contents: read
+  packages: write  # Required to push to ghcr.io
+
 name: Docker build
 jobs:
   build: