Reccomended way to deal with globally setting version

[phillebaba]

When there are multiple repositories all using these templates, they will all reference the version used individually. This will result in a lot of manual work when updating the version. We need to publish a best practice guide for how to avoid this work.

[ulrikstrid]

Maybe we can have branches that are named 1.x.x etc that can be depended on in downstreams. Which means that when we do tags we merge in changes into that branch.