Use native arm64 runner instead of qemu

Avoid segfault probably related to
tonistiigi/binfmt#215

Author: andy5995

.github/workflows/docker.yml

@@ -20,13 +20,13 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-    name: ${{ matrix.codename }}-${{ matrix.platform }}-image
+    runs-on: ${{ matrix.os }}
+    name: ${{ matrix.codename }}-${{ matrix.os }}-image
     strategy:
       matrix:
-        platform:
-          - linux/amd64
-          - linux/arm64
+        os:
+          - ubuntu-24.04-arm
+          - ubuntu-24.04
         codename:
           - focal
           - jammy
@@ -35,7 +35,7 @@ jobs:
     steps:
       - name: Prepare
         run: |
-          platform=${{ matrix.platform }}
+          platform=$(uname -m)
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
       - name: Checkout
         uses: actions/checkout@v4
@@ -45,9 +45,6 @@ jobs:
         with:
           images: ${{ env.REGISTRY_IMAGE }}
 
-      - if: ${{ matrix.platform != 'linux/amd64' }}
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker Hub
@@ -62,7 +59,6 @@ jobs:
           context: .
           build-args: CODENAME=${{ matrix.codename }}
           file: ./Dockerfile
-          platforms: ${{ matrix.platform }}
           labels: ${{ steps.meta.outputs.labels }}
           outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
           cache-from: type=registry,ref=${{ env.REGISTRY_IMAGE }}:${{ matrix.codename }}-${{ env.PLATFORM_PAIR }}-${{ env.VERSION }}-buildcache