Update porter_stack_stefan-testcachemultistep.yml

.github/workflows/porter_stack_stefan-testcachemultistep.yml

@@ -36,7 +36,7 @@ jobs:
     - name: Deploy stack
       timeout-minutes: 30
       run: |
-        docker buildx create --use --driver docker-container --bootstrap
+        docker buildx create --use --driver docker-container --bootstrap --name porter-builder
         docker context ls
         docker buildx ls
         # docker buildx create --use
@@ -56,4 +56,4 @@ jobs:
         # BUILDKIT_INLINE_CACHE: "1"
 
         # PORTER_BUILDKIT_COMPLETE_OVERRIDE: build -f DockerfileStefanTest --cache-to mode=max,image-manifest=true,oci-mediatypes=true,type=registry,ref=813111008191.dkr.ecr.us-east-2.amazonaws.com/stefan-testcachemultistep:${{ steps.vars2.outputs.sha_long }} --push --tag 813111008191.dkr.ecr.us-east-2.amazonaws.com/stefan-testcachemultistep:${{ steps.vars2.outputs.sha_long }} --cache-from type=registry,ref=813111008191.dkr.ecr.us-east-2.amazonaws.com/stefan-testcachemultistep .
-        PORTER_BUILDKIT_COMPLETE_OVERRIDE: build -f DockerfileStefanTest . --cache-from type=gha --cache-to type=gha,mode=max --tag 813111008191.dkr.ecr.us-east-2.amazonaws.com/stefan-testcachemultistep:${{ steps.vars2.outputs.sha_long }}
+        PORTER_BUILDKIT_COMPLETE_OVERRIDE: buildx --builder porter-builder build -f DockerfileStefanTest . --cache-from type=gha --cache-to type=gha,mode=max --tag 813111008191.dkr.ecr.us-east-2.amazonaws.com/stefan-testcachemultistep:${{ steps.vars2.outputs.sha_long }}