Appreciate your help here. This is what I got after going through those commands.
pi@homebridge:/etc/.pihole $ sudo git gc --prune=now
fatal: bad object refs/tags/v4.3.2
fatal: failed to run repack
pi@homebridge:/etc/.pihole $ sudo git remote prune origin
pi@homebridge:/etc/.pihole $ sudo git fetch origin
error: cannot lock ref 'refs/tags/v4.3.2': unable to resolve reference 'refs/tags/v4.3.2': reference broken
From https://github.com/pi-hole/pi-hole
! [new tag] v4.3.2 -> v4.3.2 (unable to update local ref)
pi@homebridge:/etc/.pihole $