Bump geoip2 from 3.0.2 to 4.0.0 in /Plan (#2787)

Bumps [geoip2](https://github.com/maxmind/GeoIP2-java) from 3.0.2 to 4.0.0.
- [Release notes](https://github.com/maxmind/GeoIP2-java/releases)
- [Changelog](https://github.com/maxmind/GeoIP2-java/blob/main/CHANGELOG.md)
- [Commits](https://github.com/maxmind/GeoIP2-java/compare/v3.0.2...v4.0.0)

---
updated-dependencies:
- dependency-name: com.maxmind.geoip2:geoip2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Plan/build.gradle

@@ -92,7 +92,7 @@ subprojects {
         adventureVersion = "4.12.0"
         hikariVersion = "5.0.1"
         slf4jVersion = "2.0.6"
-        geoIpVersion = "3.0.2"
+        geoIpVersion = "4.0.0"
         gsonVersion = "2.10.1"
         dependencyDownloadVersion = "1.3.0"