ci/build: pin qemu version

Author: pgils

.github/workflows/build.yml

@@ -3,16 +3,16 @@ name: Build images
 on:
   push:
     branches:
-      - main
+    - main
     paths-ignore:
-      - '**.md'
+    - '**.md'
   pull_request:
     branches:
-      - main
+    - main
     paths-ignore:
-      - '**.md'
+    - '**.md'
   schedule:
-    - cron: '20 2 * * SAT'
+  - cron: '20 2 * * SAT'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -28,50 +28,53 @@ jobs:
     strategy:
       matrix:
         release:
-          - bullseye
-          - bookworm
+        - bullseye
+        - bookworm
         context:
-          - debian-build
-          - debian-slim
+        - debian-build
+        - debian-slim
 
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 2
-      -
-        name: Extract metadata
-        id: docker_meta
-        uses: docker/metadata-action@v5
-        with:
-          tags: |
-            ${{ matrix.release }}
-            type=schedule,prefix=${{ matrix.release }}-,pattern={{date 'YYYYMMDD'}}
-            type=sha,prefix=${{ matrix.release }}-,format=short
-          images: ghcr.io/pgils/${{ matrix.context }}
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      -
-        name: Login to GitHub Container Registry
-        if: ${{ github.ref == 'refs/heads/main' }}
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      -
-        name: Build and push
-        uses: docker/build-push-action@v5
-        with:
-          context: ${{ matrix.context }}
-          file: ${{ matrix.context }}/Containerfile
-          build-args: "DEBIAN_VERSION=${{ matrix.release }}"
-          platforms: linux/amd64,linux/arm64
-          push: ${{ github.ref == 'refs/heads/main' }}
-          tags: ${{ steps.docker_meta.outputs.tags }}
-          labels: ${{ steps.docker_meta.outputs.labels }}
+
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+
+    - name: Extract metadata
+      id: docker_meta
+      uses: docker/metadata-action@v5
+      with:
+        tags: |
+          ${{ matrix.release }}
+          type=schedule,prefix=${{ matrix.release }}-,pattern={{date 'YYYYMMDD'}}
+          type=sha,prefix=${{ matrix.release }}-,format=short
+        images: ghcr.io/pgils/${{ matrix.context }}
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+      with:
+        platforms: linux/amd64,linux/arm64
+        image: tonistiigi/binfmt:qemu-v7.0.0
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Login to GitHub Container Registry
+      if: ${{ github.ref == 'refs/heads/main' }}
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v5
+      with:
+        context: ${{ matrix.context }}
+        file: ${{ matrix.context }}/Containerfile
+        build-args: "DEBIAN_VERSION=${{ matrix.release }}"
+        platforms: linux/amd64,linux/arm64
+        push: ${{ github.ref == 'refs/heads/main' }}
+        tags: ${{ steps.docker_meta.outputs.tags }}
+        labels: ${{ steps.docker_meta.outputs.labels }}