Add s390x/ppc64le support

.github/workflows/test-tasks.yaml

@@ -84,6 +84,10 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
       - name: Get changed files
         id: changed-files
         uses: tj-actions/changed-files@v41
@@ -110,9 +114,10 @@ jobs:
           images: ghcr.io/${{ github.repository }}/${{ matrix.image }}
       - name: Build and push Docker image
         if: steps.changed-files.outputs.any_changed == 'true' || github.event_name != 'pull_request'
-        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
+        uses: docker//build-push-action@v5
         with:
           context: images/${{ matrix.image }}
+          platforms: linux/amd64,linux/s390x,linux/ppc64le
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}