Update grenade setting for stable/victoria

Depends-On: https://review.opendev.org/#/c/755333/
Depends-On: https://review.opendev.org/#/c/755230/
Change-Id: I71f9f1018dde422b80693b018c08e23a8dca3d5c

Author: Ghanshyam Mann

devstack-vm-gate-wrap.sh

@@ -328,6 +328,9 @@ if [[ -n "$DEVSTACK_GATE_GRENADE" ]]; then
                 export GRENADE_NEW_BRANCH="stable/ussuri"
             elif [[ "$GRENADE_BASE_BRANCH" == "stable/ussuri" ]]; then
                 export GRENADE_OLD_BRANCH="stable/ussuri"
+                export GRENADE_NEW_BRANCH="stable/victoria"
+            elif [[ "$GRENADE_BASE_BRANCH" == "stable/victoria" ]]; then
+                export GRENADE_OLD_BRANCH="stable/victoria"
                 export GRENADE_NEW_BRANCH="$GIT_BRANCH"
             fi
             ;;
@@ -365,8 +368,11 @@ if [[ -n "$DEVSTACK_GATE_GRENADE" ]]; then
             elif [[ "$GRENADE_BASE_BRANCH" == "stable/ussuri" ]]; then
                 export GRENADE_OLD_BRANCH="stable/train"
                 export GRENADE_NEW_BRANCH="stable/ussuri"
-            else # master
+            elif [[ "$GRENADE_BASE_BRANCH" == "stable/victoria" ]]; then
                 export GRENADE_OLD_BRANCH="stable/ussuri"
+                export GRENADE_NEW_BRANCH="stable/victoria"
+            else # master
+                export GRENADE_OLD_BRANCH="stable/victoria"
                 export GRENADE_NEW_BRANCH="$GIT_BRANCH"
             fi
             ;;