chore(deps): bump dokka-maven-plugin from 1.8.10 to 1.8.20

Bumps [dokka-maven-plugin](https://github.com/Kotlin/dokka) from 1.8.10 to 1.8.20.
- [Release notes](https://github.com/Kotlin/dokka/releases)
- [Commits](https://github.com/Kotlin/dokka/commits)

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

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -87,7 +87,7 @@
 		<kotlin.compiler.jvmTarget>${maven.compiler.source}</kotlin.compiler.jvmTarget>
 		<kotlin.coroutine.version>1.7.1</kotlin.coroutine.version>
 		<!-- https://kotlin.github.io/dokka/1.7.10/user_guide/maven/usage/ -->
-		<dokka.version>1.8.10</dokka.version>
+		<dokka.version>1.8.20</dokka.version>
 		<dokka.link.jdk.version>8</dokka.link.jdk.version>
 
 		<slf4j.version>2.0.3</slf4j.version>