Update dokka to v2

Author: renovate[bot]

gradle/libs.versions.toml

@@ -21,7 +21,7 @@ buildconfig = "5.5.1"
 classgraph = "4.8.179"
 dagger = "2.52"
 dropbox-dependencyGuard = "0.5.0"
-dokka = "1.9.20"
+dokka = "2.0.0"
 espresso = "3.5.1"
 gradlePublish = "1.3.0"
 jUnit5 = "5.11.4"