maven-publish plugin. Hook, change in published pom.xml 'runtime' dependency to compile dependency.

ChangeFromRuntimeToCompile.gradle

publishing.publications.all {
  pom.withXml {
    asNode().dependencies.'*'.findAll() {
      it.scope.text() == 'runtime' && project.configurations.compile.allDependencies.find { dep ->
        dep.name == it.artifactId.text()
      }
    }.each { it.scope*.value = 'compile'}
  }
}