updating build ref file

Author: niphlod

assets/dbatools-buildref-index.json

@@ -4510,6 +4510,11 @@
             "Version": "15.0.4316",
             "KBList": "5025808"
         },
+        {
+            "CU": "CU22",
+            "Version": "15.0.4322",
+            "KBList": "5027702"
+        },
         {
             "Version": "16.0.100",
             "Name": "2022"