Migrate from travis to GithubActions to publish release

[dr0i]

Originates from #352 (comment):

Publish the release to Central

Depends on building the release.

[dr0i]

Resolved with #473 .
A maven central publishing is done via sonatype, but without travis, see https://github.com/metafacture/metafacture-core/wiki/Maintainer-Guidelines#releasing.
Closing.