SuperbuildVersionMacros: support lightweight tags
For post-branch version bumps, lightweight tags should be used to mark
the beginning of development. These are not usually looked at by
git describe, so all tags should be used.
Cc: @bob.obara
GitLab updates will be applied on September 20th, between 7am and 9am, EDT (UTC-04:00). This site may have intermittent delays during that time.
For post-branch version bumps, lightweight tags should be used to mark
the beginning of development. These are not usually looked at by
git describe, so all tags should be used.
Cc: @bob.obara