Updated Task to the latests snapshot of Micrometer

Updated to handle the batch changes

Removing aot execution from sample apps

Remove snapshot version and rely on bom

Signed-off-by: Glenn Renfro <grenfro@vmware.com>

spring-cloud-task-core/src/test/java/org/springframework/cloud/task/micrometer/TaskObservationsTests.java

@@ -51,6 +51,9 @@ import static org.springframework.cloud.task.listener.TaskObservations.UNKNOWN;
  */
 public class TaskObservationsTests {
 
+	/**
+	 * Prefix for the spring cloud task project.
+	 */
 	public static final String PREFIX = "spring.cloud.task";
 
 	private TaskObservations taskObservations;