chore: License change date for 1.5.1 (#1266)

Author: johanandren

LICENSE

@@ -3,7 +3,7 @@ Business Source License 1.1
 Parameters
 
 Licensor:             Lightbend, Inc.
-Licensed Work:        Akka Management 1.5.0
+Licensed Work:        Akka Management 1.5.1
                       The Licensed Work is (c) 2023 Lightbend Inc.
 Additional Use Grant:
     If you develop an application using a version of Play Framework that
@@ -15,7 +15,7 @@ Additional Use Grant:
     Connecting to a Play Framework websocket and/or Play Framework
     request/response bodies for server and play-ws client.
 
-Change Date:          2026-10-24
+Change Date:          2027-02-28
 
 Change License:       Apache License, Version 2.0