container-client test

To run the tests:

1. Make sure Docker is installed and running correctly

   docker ps

2. Use correct Docker context

   docker context use default

3. Remove existing containers labeled as "cf-container-client-test"

   docker ps -aq --filter name=workerd-container-client-test | xargs -r docker rm -f

4. Remove existing Docker image

   docker image rm cf-container-client-test

5. Build Docker images

   bazel run //images:load_all

6. Run the test

   just stream-test //src/workerd/server/tests/container-client:container-client@