Deploy stage (CI) to add binaries to MSL

[beutlich]

          > @beutlich is the update of the https://github.com/modelica/ModelicaStandardLibrary/wiki/Generating-a-new-MSL-release guide the only missing thing to merge this PR?

Well, we could also add a deploy stage via CI (either manually or tag triggered).

Originally posted by @beutlich in #4347 (comment)