Bump cd.go.plugin:go-plugin-api from 24.1.0 to 24.3.0

Bumps [cd.go.plugin:go-plugin-api](https://github.com/gocd/gocd) from 24.1.0 to 24.3.0.
- [Release notes](https://github.com/gocd/gocd/releases)
- [Commits](gocd/gocd@24.1.0...24.3.0)

---
updated-dependencies:
- dependency-name: cd.go.plugin:go-plugin-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

dependencies.gradle

@@ -39,7 +39,7 @@ final Map<String, String> libraries = [
   lombok            : 'org.projectlombok:lombok:1.18.34',
   mockito           : 'org.mockito:mockito-core:5.12.0',
   okio              : 'com.squareup.okio:okio:1.17.6',
-  pluginApi         : 'cd.go.plugin:go-plugin-api:24.1.0',
+  pluginApi         : 'cd.go.plugin:go-plugin-api:24.3.0',
   reflections       : 'org.reflections:reflections:0.10.2',
   retrofit          : 'com.squareup.retrofit2:retrofit:2.11.0',
   slf4j             : 'org.slf4j:slf4j-simple:2.0.13',