[tycho-dev] Github actions?

[Christoph Läubrich <laeubi@xxxxxxxxxxxxxx>]

For more than 3 days the CI build is down and I don't even get any 
feedback [1].

Is there any objections trying to setup a github action[2] so we get at 
least a verification build of the master branch?

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=575148
[2] 
https://docs.github.com/en/actions/learn-github-actions/introduction-to-github-actions