try build matrix

.github/workflows/build.yml

@@ -15,16 +15,22 @@ jobs:
     concurrency:
       group: ${{ github.ref_name }}-build
       cancel-in-progress: ${{ github.ref_name != 'main' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        ros_distro:
+          - noetic
+          - melodic
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: docker/setup-buildx-action@v3
-      - id: noetic
+      - name: Build docker image: ${{ matrix.ros_distro }}
         uses: docker/build-push-action@v6
         with:
           context: .
           file: Dockerfile
           push: false
           build-args: |
-            ros_codename=noetic
+            ros_codename=${{ matrix.ros_distro }}