net/gitup: Update to 0.98-2 (bugfixes)

ChangeLog:

• File and permission changes are not being properly processed https://github.com/johnmehr/gitup/issues/89
• gitup chokes on unrelated .git directory https://github.com/johnmehr/gitup/issues/88

MFH: 2023Q1 (bugfixes)
(cherry picked from commit a9247f5c853c62a702d42b2584853794c32946e9)