Java style guide: link to better page for claiming Maven group IDs

This was discussed at the July 2024 Java community meeting.

source/manuals/programming-languages/java.html.md.erb

@@ -251,7 +251,7 @@ You will need to claim one or more [group IDs](https://maven.apache.org/guides/m
 
 The credentials used to create this account will be used during the publishing process, and should be stored safely and in accordance with any programme-specific guidance.
 
-You should follow [Sonatype’s guidance on registering for and claiming a group ID](https://central.sonatype.org/publish/publish-guide/) such as `uk.gov.example`. It is likely that you will be asked to prove your identity as a government actor, to prevent malicious parties publishing artifacts and claiming that they have been issued by the UK government.
+You should follow [Sonatype’s guidance on registering for and claiming a group ID](https://central.sonatype.org/publish/requirements/coordinates/) such as `uk.gov.example`. It is likely that you will be asked to prove your identity as a government actor, to prevent malicious parties publishing artifacts and claiming that they have been issued by the UK government.
 
 ### Signing artifacts