CI: build container image for RISC-V

Author: stintel

.github/workflows/build-and-publish.yml

@@ -77,7 +77,7 @@ jobs:
             WAS_VERSION=${{ steps.gd.outputs.WAS_VERSION }}
           context: .
           file: ./Dockerfile
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64,linux/arm64,linux/riscv64
           push: ${{ github.event_name == 'push' && github.actor != 'dependabot[bot]' }}
           labels: ${{ steps.metadata.outputs.labels }}
           tags: ${{ steps.metadata.outputs.tags }}