Temporarily work around deprecations in Spring Batch

See gh-31623

Author: wilkinsona

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

@@ -22,7 +22,7 @@
 import org.springframework.batch.core.explore.JobExplorer;
 import org.springframework.batch.core.explore.support.JobExplorerFactoryBean;
 import org.springframework.batch.core.launch.JobLauncher;
-import org.springframework.batch.core.launch.support.SimpleJobLauncher;
+import org.springframework.batch.core.launch.support.TaskExecutorJobLauncher;
 import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.batch.core.repository.support.JobRepositoryFactoryBean;
 import org.springframework.beans.factory.InitializingBean;
@@ -117,8 +117,9 @@ protected JobExplorer createJobExplorer() throws Exception {
 		return factory.getObject();
 	}
 
+	@SuppressWarnings({ "deprecation", "removal" })
 	protected JobLauncher createJobLauncher() throws Exception {
-		SimpleJobLauncher jobLauncher = new SimpleJobLauncher();
+		TaskExecutorJobLauncher jobLauncher = new TaskExecutorJobLauncher();
 		jobLauncher.setJobRepository(getJobRepository());
 		jobLauncher.afterPropertiesSet();
 		return jobLauncher;