ci: arm64 build

Author: rubyowo

.github/workflows/build-and-push.yml

@@ -9,6 +9,7 @@ on:
       - dashboard/**
       - shared/**
       - Dockerfile
+      - .github/workflows/**
 
 jobs:
   docker:
@@ -41,7 +42,7 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: true
           cache-from: type=gha
           cache-to: type=gha,mode=max