Update plugin dokka to v2 (#598)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ kotlin = "2.1.0"
 
 [plugins]
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
-dokka = { id = "org.jetbrains.dokka", version = "1.9.20" }
+dokka = { id = "org.jetbrains.dokka", version = "2.0.0" }
 ktlint = { id = "org.jlleitschuh.gradle.ktlint", version = "12.1.1" }
 maven-publish = { id = "com.vanniktech.maven.publish", version = "0.30.0" }
 plugin-publish = { id = "com.gradle.plugin-publish", version = "1.3.0" }