build(deps): 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]>

scalabot-meta/build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     kotlin("jvm")
     id("org.jetbrains.kotlinx.kover")
-    id("org.jetbrains.dokka") version "1.9.10"
+    id("org.jetbrains.dokka") version "1.9.20"
     `maven-publish`
     signing
     id("org.jetbrains.kotlinx.binary-compatibility-validator")