Change agent version (#1029)

Author: Kbayero

agent/versions.json

@@ -1,5 +1,5 @@
 {
-    "agent_version": "10.5.0",
+    "agent_version": "10.5.1",
     "updater_version": "10.1.4",
     "redline_version": "10.1.2"
 }