Fix typo in variable name

See gh-45894

Signed-off-by: wonyongg <111210881+wonyongg@users.noreply.github.com>

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfiguration.java

@@ -102,7 +102,7 @@ public class BatchAutoConfiguration {
 
 		private final PlatformTransactionManager transactionManager;
 
-		private final TaskExecutor taskExector;
+		private final TaskExecutor taskExecutor;
 
 		private final BatchProperties properties;
 
@@ -118,7 +118,7 @@ public class BatchAutoConfiguration {
 				ObjectProvider<ExecutionContextSerializer> executionContextSerializer) {
 			this.dataSource = batchDataSource.getIfAvailable(() -> dataSource);
 			this.transactionManager = batchTransactionManager.getIfAvailable(() -> transactionManager);
-			this.taskExector = batchTaskExecutor.getIfAvailable();
+			this.taskExecutor = batchTaskExecutor.getIfAvailable();
 			this.properties = properties;
 			this.batchConversionServiceCustomizers = batchConversionServiceCustomizers.orderedStream().toList();
 			this.executionContextSerializer = executionContextSerializer.getIfAvailable();
@@ -163,7 +163,7 @@ public class BatchAutoConfiguration {
 
 		@Override
 		protected TaskExecutor getTaskExecutor() {
-			return (this.taskExector != null) ? this.taskExector : super.getTaskExecutor();
+			return (this.taskExecutor != null) ? this.taskExecutor : super.getTaskExecutor();
 		}
 
 	}