ci: remove multi-arch build, amd64 only

Author: leolionart

.github/workflows/docker-image.yml

@@ -42,9 +42,6 @@ jobs:
         echo "tag=v$NEW_VERSION" >> $GITHUB_OUTPUT
         echo "Next version: v$NEW_VERSION"
 
-    - name: Set up QEMU (for multi-arch builds)
-      uses: docker/setup-qemu-action@v3
-
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
@@ -80,7 +77,6 @@ jobs:
       with:
         context: ./collector
         file: ./collector/Dockerfile
-        platforms: linux/amd64,linux/arm64
         push: ${{ github.event_name != 'pull_request' }}
         tags: ${{ steps.meta-collector.outputs.tags }}
         labels: ${{ steps.meta-collector.outputs.labels }}
@@ -92,7 +88,6 @@ jobs:
       with:
         context: ./frontend
         file: ./frontend/Dockerfile
-        platforms: linux/amd64,linux/arm64
         push: ${{ github.event_name != 'pull_request' }}
         tags: ${{ steps.meta-frontend.outputs.tags }}
         labels: ${{ steps.meta-frontend.outputs.labels }}