Bump org.jetbrains.dokka from 1.9.10 to 1.9.20

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
...

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

gradle/libs.versions.toml

@@ -22,7 +22,7 @@ prettier-toml = "0.3.1"
 [plugins]
 detekt = { id = "io.gitlab.arturbosch.detekt", version = "1.23.4" }
 gitVersioning = { id = "me.qoomon.git-versioning", version = "6.4.3" }
-kotlin-dokka = { id = "org.jetbrains.dokka", version = "1.9.10" }
+kotlin-dokka = { id = "org.jetbrains.dokka", version = "1.9.20" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-kover = { id = "org.jetbrains.kotlinx.kover", version = "0.7.5" }
 nexus-publish = { id = "io.github.gradle-nexus.publish-plugin", version = "1.3.0" }