Bump org.jetbrains.dokka from 1.9.10 to 1.9.20 (#80)

Bumps [org.jetbrains.dokka](https://github.com/Kotlin/dokka) from 1.9.10 to 1.9.20.
- [Release notes](https://github.com/Kotlin/dokka/releases)
- [Commits](Kotlin/dokka@v1.9.10...v1.9.20)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle.kts

@@ -22,7 +22,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
   kotlin("jvm") version "1.9.23"
-  id("org.jetbrains.dokka") version "1.9.10"
+  id("org.jetbrains.dokka") version "1.9.20"
   id("com.diffplug.spotless") version "6.23.3"
   id("com.vanniktech.maven.publish") version "0.25.3"
   id("io.gitlab.arturbosch.detekt") version "1.23.5"