Remove output parameter to container build

Author: dan-fernandes

.github/workflows/_container.yml

@@ -33,7 +33,6 @@ jobs:
           # Need load and tags so we can test it below
           load: true
           tags: tag_for_testing
-          outputs: type=docker,dest=${{ runner.temp }}/myimage.tar
 
       - name: Test cli works in cached runtime image
         run: docker run --rm tag_for_testing --version