ci(ghcr): build amd64 only

Author: conversun

.github/workflows/ghcr-remote-fix.yml

@@ -24,9 +24,6 @@ jobs:
           git fetch --depth 1 https://github.com/router-for-me/models.git main
           git show FETCH_HEAD:models.json > internal/registry/models/models.json
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -46,11 +43,11 @@ jobs:
           echo "COMMIT=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
           echo "BUILD_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)" >> $GITHUB_ENV
 
-      - name: Build and push (multi-arch)
+      - name: Build and push (amd64)
         uses: docker/build-push-action@v6
         with:
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           push: true
           build-args: |
             VERSION=${{ env.VERSION }}