Fix warning about missing "@Deprecated" on a deprecated method

spring-statemachine-core/src/main/java/org/springframework/statemachine/persist/AbstractPersistingStateMachineInterceptor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2020 the original author or authors.
+ * Copyright 2017-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,6 +51,7 @@ import org.springframework.util.Assert;
  * then start it again.
  *
  * @author Janne Valkealahti
+ * @author Mahmoud Ben Hassine
  *
  * @param <S> the type of state
  * @param <E> the type of event
@@ -143,6 +144,7 @@ public abstract class AbstractPersistingStateMachineInterceptor<S, E, T> extends
 	 * @return the state machine context
 	 * @deprecated in favour of {@link #buildStateMachineContext(StateMachine, StateMachine, State, Message)}
 	 */
+	@Deprecated
 	protected StateMachineContext<S, E> buildStateMachineContext(StateMachine<S, E> stateMachine,
 			StateMachine<S, E> rootStateMachine, State<S, E> state) {
 		return buildStateMachineContext(stateMachine, rootStateMachine, state, null);