arrow-bom points to non-existing arrow-gandiva artifact

[XN137]

Describe the bug, including details regarding any error messages, version, and platform.

the bom uses the wrong groupId:
https://github.com/apache/arrow-java/blob/v18.3.0/bom/pom.xml#L167-L171

note the trailing .gandiva here:
https://github.com/apache/arrow-java/blob/v18.3.0/gandiva/pom.xml#L28-L31

https://mvnrepository.com/artifact/org.apache.arrow.gandiva/arrow-gandiva 🟢
https://mvnrepository.com/artifact/org.apache.arrow/arrow-gandiva 🔴