Fix the JDK version required to build from the source code

the project spring-data-build has been upgraded to Java 17

[maven-enforcer-plugin](https://github.com/spring-projects/spring-data-build/blob/2f4baf1bb0db09e21d5784b4274b616281efa6b2/pom.xml?_pjax=%23js-repo-pjax-container#L83-L114)

[17,18)