Bump org.jetbrains.dokka:dokka-gradle-plugin from 1.8.20 to 1.9.0

Bumps [org.jetbrains.dokka:dokka-gradle-plugin](https://github.com/Kotlin/dokka) from 1.8.20 to 1.9.0.
- [Release notes](https://github.com/Kotlin/dokka/releases)
- [Commits](https://github.com/Kotlin/dokka/commits)

---
updated-dependencies:
- dependency-name: org.jetbrains.dokka:dokka-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ kotlin-serialization = { module = "org.jetbrains.kotlin:kotlin-serialization", v
 kotlinx-serialization-core = { module = "org.jetbrains.kotlinx:kotlinx-serialization-core", version.ref = "kotlinx-serialization" }
 android-gradle-plugin = { module = "com.android.tools.build:gradle", version = "8.1.1" }
 androidx-test-runner = { module = "androidx.test:runner", version = "1.5.2" }
-dokka-gradle-plugin = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version = "1.8.20" }
+dokka-gradle-plugin = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version = "1.9.0" }
 mavenPublish-gradle-plugin = { module = "com.vanniktech:gradle-maven-publish-plugin", version = "0.25.3" }
 benchmark-runtime = { module = "org.jetbrains.kotlinx:kotlinx-benchmark-runtime", version.ref = "benchmark" }
 benchmark-gradle-plugin = { module = "org.jetbrains.kotlinx:kotlinx-benchmark-plugin", version.ref = "benchmark" }