Fix accidental use of deprecated setFlushMode method

Closes gh-28234

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/HibernateJpaDialect.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -80,7 +80,7 @@ import org.springframework.transaction.support.ResourceTransactionDefinition;
  * @author Costin Leau
  * @since 2.0
  * @see HibernateJpaVendorAdapter
- * @see org.hibernate.Session#setFlushMode
+ * @see org.hibernate.Session#setHibernateFlushMode
  * @see org.hibernate.Transaction#setTimeout
  */
 @SuppressWarnings("serial")
@@ -360,10 +360,9 @@ public class HibernateJpaDialect extends DefaultJpaDialect {
 			this.readOnly = readOnly;
 		}
 
-		@SuppressWarnings("deprecation")
 		public void resetSessionState() {
 			if (this.previousFlushMode != null) {
-				this.session.setFlushMode(this.previousFlushMode);
+				this.session.setHibernateFlushMode(this.previousFlushMode);
 			}
 			if (this.needsConnectionReset &&
 					this.session.getJdbcCoordinator().getLogicalConnection().isPhysicallyConnected()) {