Build is broken with `Could not find org.ajoberstar.grgit:grgit-core:4.0.2`

[aabmass]

New PRs are failing

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring root project 'opentelemetry-operations-java'.
> Could not resolve all files for configuration ':classpath'.
   > Could not find org.ajoberstar.grgit:grgit-core:4.0.2.
     Searched in the following locations:
       - https://plugins.gradle.org/m2/org/ajoberstar/grgit/grgit-core/4.0.2/grgit-core-4.0.2.pom
     Required by:
         project : > nebula.release:nebula.release.gradle.plugin:15.2.0 > com.netflix.nebula:nebula-release-plugin:15.2.0

[aabmass]

This seems to be the same issue ajoberstar/grgit#404

I tried following the guidance on adding a new maven repo int https://github.com/ajoberstar/grgit?tab=readme-ov-file#newest-versions-are-on-maven-central, but couldn't get it to work with the plugin/transitive dependency.

Instead I'm just trying to upgrade the nebula release plugin