docker-maven-plugin: update to v0.28.0

The upstream support for arm64 docker builds
with the docker-maven-plugin came later so
we need to update the plugin version for jobs
to run on arm64 servers.

Change-Id: I1cdaaa09aaca2ec7873987830298d8771fd1286f
Issue-ID: VNFSDK-346
Signed-off-by: Paul Vaduva <Paul.Vaduva@enea.com>
1 file changed