Bump org.jetbrains.dokka from 1.7.10 to 1.7.20

Bumps [org.jetbrains.dokka](https://github.com/Kotlin/dokka) from 1.7.10 to 1.7.20.
- [Release notes](https://github.com/Kotlin/dokka/releases)
- [Commits](https://github.com/Kotlin/dokka/commits)

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

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

build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     buildsrc.conventions.`kotlin-jvm`
     buildsrc.conventions.`maven-publish`
-    id("org.jetbrains.dokka") version "1.7.10"
+    id("org.jetbrains.dokka") version "1.7.20"
     id("com.github.johnrengelman.shadow") version "7.1.2"
     id("com.github.ben-manes.versions") version "0.42.0"
     kotlin("plugin.serialization")