Quickstarts : Improve it/spring-boot-with-jib integration test

[rohanKanojia]

Description

Related to #1762

Just like we improved samples/spring-boot-with-jib similar changes need to be done in integration test module as well. We have similar project in it/ folder.

docker-maven-plugin/it/spring-boot-with-jib/pom.xml

Line 36 in fc53963

<spring.version>2.5.12</spring.version>

Acceptance Criteria

• Spring Boot version is updated to 2.7.x
• Replace org.springframework.web.bind.annotation.RequestMapping with more specific org.springframework.web.bind.annotation.GetMapping

[rohanKanojia]

@mdxabu : Could you please review this issue and see if it's clear enough to pick up?

[mdxabu]

@mdxabu : Could you please review this issue and see if it's clear enough to pick up?

Yes, I can pick this issue