Update dbatools-buildref-index.json

Author: rwestMSFT

bin/dbatools-buildref-index.json

@@ -4841,6 +4841,11 @@
         {
             "Version": "16.0.4155",
             "KBList": "5046862"
+        },
+        {
+            "CU": "CU16",
+            "Version": "16.0.4165",
+            "KBList": "5048033"
         }
     ]
 }