Update dependency org.jetbrains.dokka to v2

Author: renovate[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ agp = "8.7.2"
 android-compileSdk = "34"
 android-minSdk = "21"
 compose = "1.7.3"
-dokka = "1.9.20"
+dokka = "2.0.0"
 kotlin = "2.0.20"
 kotlin-nodejs = "18.16.12-pre.634"
 kotlinx-coroutines = "1.9.0"