Merge pull request #331 from zuh0/official-docker-buildx-ghaction

ci: switch to official docker buildx GitHub action

.github/workflows/build-docker-images.yml

@@ -46,9 +46,20 @@ jobs:
             --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') \
             --build-arg VCS_REF=${GITHUB_SHA::8} \
             ${TAGS} .
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: all
       -
         name: Set up Docker Buildx
-        uses: crazy-max/ghaction-docker-buildx@v3
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          version: latest
+      -
+        name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
       -
         name: Docker Buildx (build)
         run: |