path fix

.github/workflows/docker-build.yml

@@ -110,7 +110,7 @@ jobs:
         if: ${{ github.ref == 'refs/heads/testing' || github.event.inputs.branch == 'testing' }}
         uses: docker/build-push-action@v2
         with:
-          file: ./${{ matrix.architecture }}.Dockerfile
+          file: ./Dockerfile.${{ matrix.architecture }}
           platforms: ${{ steps.prep.outputs.platform }}
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.metadata.outputs.tags }}