Update porter_stack_stefan-testcachemultistep.yml

Author: stefanmcshane

.github/workflows/porter_stack_stefan-testcachemultistep.yml

@@ -17,8 +17,6 @@ jobs:
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
-      with:
-        driver-opts: image=moby/buildkit:latest
 
     # - name: Build and push
     #   uses: docker/build-push-action@v6