Fix version in Javadoc's since tag of DefaultBatchConfiguration

Issue #4312

Author: viviennes7

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/support/DefaultBatchConfiguration.java

@@ -110,7 +110,7 @@
  * @author Michael Minella
  * @author Mahmoud Ben Hassine
  * @author Taeik Lim
- * @since 2.2
+ * @since 5.0
  */
 @Configuration(proxyBeanMethods = false)
 @Import(ScopeConfiguration.class)