scm,git: restore progress bar for git pull operation

Author: fvalette-ledger

src/outpost/barbican/scm/git.py

@@ -173,7 +173,7 @@ def fetch(self) -> None:
             if is_new_ref:
                 refspec += ":" + refspec
 
-        fetch_infos = self._repo.remote().fetch(refspec=refspec)
+        fetch_infos = self._repo.remote().fetch(refspec=refspec, progress=GitProgressBar())
 
         # this should never occurs
         if len(fetch_infos) != 1: