Fix single Arch build

.github/workflows/arch-push.yml

@@ -13,13 +13,6 @@ on:
 jobs:
  docker:
  runs-on: ubuntu-latest
- strategy:
- matrix:
- platform:
- - name: linux/amd64
- dockerfile: Dockerfile.arch
- - name: linux/arm64
- dockerfile: Dockerfile.arch-arm64
  steps:
  -
  name: Set up QEMU
@@ -37,7 +30,9 @@ jobs:
  name: Build and push
  uses: docker/build-push-action@v6
  with:
- file: ${{ matrix.platform.dockerfile }}
- platforms: ${{ matrix.platform.name }}
+ file: |
+ Dockerfile.arch
+ Dockerfile.arch-arm64
+ platforms: linux/amd64,linux/arm64
  push: true
  tags: garo/openssh-client:arch