feat: enable multi-platform docker builds for amd64 and arm64 in CI/CD pipeline

.gitea/workflows/cicd.yml

@@ -71,6 +71,9 @@ jobs:
             echo "version=0.0.dev${{ github.run_number }}" >> $GITHUB_OUTPUT
           fi
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
 
@@ -79,6 +82,7 @@ jobs:
         with:
           context: .
           push: true
+          platforms: linux/amd64,linux/arm64
           build-args: VERSION=${{ steps.pkg_version.outputs.version }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}