TEST: do not rebase, just fetch the right branch in the CI

Author: dpiparo

Diff for: .github/workflows/root-ci-config/build_root.py

@@ -431,7 +431,7 @@ def rebase(directory: str, repository:str, base_ref: str, head_ref: str, head_sh
 
         git fetch {repository} {branch}
         git checkout {head_ref}
-        git rebase {base_ref}
+        echo **TEST SKIPPING THE REBASE**: too much to handle! -- git rebase {base_ref}
     """)
 
     if result != 0: