Test benchmark docker image build in CI (#537)
Test benchmark docker image build in CI (#537)

Now that we have a benchmark docker image build, it would be
good to make sure that keeps working in CI.

This also makes it easy to start pushing this image in CI in a
follow-up.

Signed-off-by: Otto van der Schaaf <f82e1104fcd8bfffc72e7185709f7902b0b97ebf@we-amp.com>
envoyproxy/nighthawk,envoyproxy/nighthawk,envoyproxy/nighthawk,envoyproxy/nighthawk