Update Dokka to 2.0.0-Beta to use Dokka K2 mode

Workaround for Kotlin/dokka#3851

Author: sandwwraith

gradle.properties

@@ -23,3 +23,5 @@ org.gradle.caching=true
 kotlin.native.distribution.type=prebuilt
 
 org.gradle.jvmargs="-XX:+HeapDumpOnOutOfMemoryError"
+
+org.jetbrains.dokka.experimental.tryK2=true

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 kotlin = "2.0.20"
 kover = "0.8.2"
-dokka = "1.9.20"
+dokka = "2.0.0-Beta"
 knit = "0.5.0"
 bcv = "0.16.2"
 animalsniffer = "1.7.1"