Merge pull request #3313 from Paebbels/paebbels/dom-updates

pyGHDL.dom updates

release 6.0.0

candidate release 6.0.0-rc2

candidate release 6.0.0-rc.1

gha: adjust relase branch

Start of version 6.0.0-dev

Bump version to 5.0.1

Bump version to 5.0.0

Bump version to 5.0.0-rc6

Bump version to rc5