Bump org.jetbrains.dokka:dokka-gradle-plugin from 1.9.10 to 1.9.20 (#95)

Bumps [org.jetbrains.dokka:dokka-gradle-plugin](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:dokka-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -16,7 +16,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:8.1.4'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
-        classpath 'org.jetbrains.dokka:dokka-gradle-plugin:1.9.10'
+        classpath 'org.jetbrains.dokka:dokka-gradle-plugin:1.9.20'
     }
 }