New version 28.2-1
    
    - Fix catch TUI not main thread exceptions (jkonecny)
    - Document Anaconda branching workflow (mkolman)
    - Use constants for version number bumps and additions (mkolman)
    - Fix closest mirror now needs network (jkonecny)
    - Fix restart payload thread in Network spoke GUI (#1478970) (jkonecny)
    - Network spoke freeze when testing availability (#1478970) (jkonecny)
    - Add support for adding version numbers to makebumpver (mkolman)
    - Add support for major version bump to makebumpver (mkolman)
    - Fix proxy settings badly used when testing repos (#1478970) (jkonecny)