review test dependency overrides associated with docker-java

[pjfanning]

Unfortunately, docker-java has a lot of outdated dependencies - many with CVEs.

https://mvnrepository.com/artifact/com.github.docker-java/docker-java/3.3.6

If and when we uptake a new docker-java, we can review if we still need some or all of our sbt dependency overrides associated with docker-java. See #1313 for an example.