build riscv64 and s390x

Author: 1ma

.github/workflows/build.yml

@@ -15,14 +15,21 @@ jobs:
       matrix:
         architecture:
           - linux/amd64
-          - linux/arm64
           - linux/arm/v7
+          - linux/arm64
           - linux/ppc64le
+          - linux/riscv64
+          - linux/s390x
         version:
           - { knots: "27.1.knots20240621", alpine-builder: "3.20" }
           - { knots: "26.1.knots20240513", alpine-builder: "3.20" }
           - { knots: "26.1.knots20240325", alpine-builder: "3.18" }
           - { knots: "25.1.knots20231115", alpine-builder: "3.18" }
+        exclude:
+          - version: { knots: "26.1.knots20240325", alpine-builder: "3.18" }
+            architecture: linux/riscv64
+          - version: { knots: "25.1.knots20231115", alpine-builder: "3.18" }
+            architecture: linux/riscv64
     steps:
       - uses: actions/checkout@v4
       - uses: docker/setup-qemu-action@v3