KSENROLL-14743 setup fusion plugin for tagging

This will allow the fusion plugin TagMojo to be used to make a build tag
and also update the impex version to match the build tag.

We use the buildText labeling support to change the text to pull-request.
Revert "KSENROLL-14743 create another commit onto branch head."

This reverts commit ac887089ec42dd7f82aa064cbeaeb659b1c4e379.