Bump org.jetbrains.dokka from 1.9.10 to 1.9.20 (#39) [skip ci]

Bumps org.jetbrains.dokka from 1.9.10 to 1.9.20.

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

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Author: dependabot[bot]

gradle/libs.versions.toml

@@ -44,7 +44,7 @@ spotless = "6.25.0"
 detekt = "1.23.5"
 
 kotlinx-kover = "0.7.6"
-dokka = "1.9.10"
+dokka = "1.9.20"
 kotlinx-binary-compatibility-validator = "0.14.0"
 
 vanniktech-maven-publish = "0.27.0"