Autoconfiguration files are now annotated with @Autoconfiguration

This is a new standard for boot 3.0
Replaced deprecated constructors for batch test
Added Oracle migration script for ordered sequence

spring-cloud-task-samples/single-step-batch-job/pom.xml

@@ -53,6 +53,16 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-jdbc</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-core</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-databind</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>