templates + arm64 build (slow)

.gitea/workflows/haven-notify.yaml

@@ -31,6 +31,9 @@ jobs:
                 -u "${{ env.REGISTRY_USERNAME }}" \
                 --password-stdin
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -39,7 +42,7 @@ jobs:
         with:
           push: true
           context: haven-notify
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           tags: |
             ${{ env.IMAGE_NOTIFY }}:latest