Fix stashing step of AIO upgrade

No need to restore kolla/globals.yml anymore.

Author: seunghun1ee

.github/workflows/stackhpc-all-in-one.yml

@@ -396,9 +396,8 @@ jobs:
 
       # If testing upgrade, checkout the current release branch
       # Stash changes to tracked files, and set clean=false to avoid removing untracked files.
-      # Revert changes to RabbitMQ Queue types to avoid a merge conflict
       - name: Stash config changes
-        run: git restore etc/kayobe/environments/ci-aio/kolla/globals.yml && git stash
+        run: git stash
         if: inputs.upgrade
 
       - name: Checkout current release config