Add buildx to images (#2901)

* add `buildx` to images

* Update Dockerfile

---------

Co-authored-by: Tingluo Huang <tingluohuang@github.com>

images/Dockerfile

@@ -6,6 +6,7 @@ ARG TARGETARCH
 ARG RUNNER_VERSION
 ARG RUNNER_CONTAINER_HOOKS_VERSION=0.4.0
 ARG DOCKER_VERSION=24.0.6
+ARG BUILDX_VERSION=0.11.2
 
 RUN apt update -y && apt install curl unzip -y
 
@@ -25,7 +26,11 @@ RUN export RUNNER_ARCH=${TARGETARCH} \
     && if [ "$RUNNER_ARCH" = "arm64" ]; then export DOCKER_ARCH=aarch64 ; fi \
     && curl -fLo docker.tgz https://download.docker.com/${TARGETOS}/static/stable/${DOCKER_ARCH}/docker-${DOCKER_VERSION}.tgz \
     && tar zxvf docker.tgz \
-    && rm -rf docker.tgz
+    && rm -rf docker.tgz \
+    && mkdir -p /usr/local/lib/docker/cli-plugins \
+    && curl -fLo /usr/local/lib/docker/cli-plugins/docker-buildx \
+        "https://github.com/docker/buildx/releases/download/v${BUILDX_VERSION}/buildx-v${BUILDX_VERSION}.linux-${TARGETARCH}" \
+    && chmod +x /usr/local/lib/docker/cli-plugins/docker-buildx
 
 FROM mcr.microsoft.com/dotnet/runtime-deps:6.0-jammy