New Nova version mappings

  Related-PROD: PROD-37028

Change-Id: I0c47298e44772249fb3da38f12167709835667c6
diff --git a/cfg_checker/common/const.py b/cfg_checker/common/const.py
index b5bd764..d30a120 100644
--- a/cfg_checker/common/const.py
+++ b/cfg_checker/common/const.py
@@ -150,6 +150,9 @@
 }
 
 nova_openstack_versions = {
+    "26": "Zed",
+    "25": "Yoga",
+    "24": "Xena",
     "23": "wallaby",
     "22": "victoria",
     "21": "ussuri",