ci: Add QEMU setup and specify platforms for FastMCP image build in ci-deploy workflow

Author: madMathematician971

.github/workflows/ci-deploy.yml

@@ -30,9 +30,13 @@ jobs:
         - name: Set up Docker Buildx
           uses: docker/setup-buildx-action@v3
 
+        - name: Set up QEMU
+          uses: docker/setup-qemu-action@v3
+
         - name: Build and push FastMCP image
           uses: docker/build-push-action@v5
           with:
+            platforms: linux/amd64,linux/arm64
             context: .
             target: fastmcp
             push: true