Restore deprecated JobLauncherCommandLineRunner

Restore the deprecated `JobLauncherCommandLineRunner` class and extend
removal until 2.6. The class is still needed by spring-cloud-task.

Closes gh-25807

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

+/*
+ * Copyright 2012-2021 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.autoconfigure.batch;
+
+import org.springframework.batch.core.explore.JobExplorer;
+import org.springframework.batch.core.launch.JobLauncher;
+import org.springframework.batch.core.repository.JobRepository;
+import org.springframework.boot.ApplicationRunner;
+
+/**
+ * {@link ApplicationRunner} to {@link JobLauncher launch} Spring Batch jobs. Runs all
+ * jobs in the surrounding context by default. Can also be used to launch a specific job
+ * by providing a jobName.
+ *
+ * @author Dave Syer
+ * @author Jean-Pierre Bergamin
+ * @author Mahmoud Ben Hassine
+ * @since 1.0.0
+ * @deprecated since 2.3 for removal in 2.6 in favor of
+ * {@link JobLauncherApplicationRunner}
+ */
+@Deprecated
+public class JobLauncherCommandLineRunner extends JobLauncherApplicationRunner {
+
+	/**
+	 * Create a new {@link JobLauncherCommandLineRunner}.
+	 * @param jobLauncher to launch jobs
+	 * @param jobExplorer to check the job repository for previous executions
+	 * @param jobRepository to check if a job instance exists with the given parameters
+	 * when running a job
+	 */
+	public JobLauncherCommandLineRunner(JobLauncher jobLauncher, JobExplorer jobExplorer, JobRepository jobRepository) {
+		super(jobLauncher, jobExplorer, jobRepository);
+	}
+
+}