Update dependency org.jetbrains.dokka to v2 (#329)

| datasource | package                                               | from   | to    |
| ---------- | ----------------------------------------------------- | ------ | ----- |
| maven      | org.jetbrains.dokka:org.jetbrains.dokka.gradle.plugin | 1.9.20 | 2.0.0 |

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

gradle/libs.versions.toml

@@ -45,7 +45,7 @@ uuid = "0.8.4"
 spotless = "6.25.0"
 detekt = "1.23.7"
 kotlinx-kover = "0.9.0"
-dokka = "1.9.20"
+dokka = "2.0.0"
 kotlinx-binary-compatibility-validator = "0.16.3"
 poko = "0.17.2"
 vanniktech-maven-publish = "0.30.0"