chore(deps): update plugin dokka to v1.9.20

gradle/libs.versions.toml

@@ -33,7 +33,7 @@ kotlin-testing = [ "kotest-junit5-jvm", "kotest-assertions-core-jvm", "mockito-c
 [plugins]
 scalatest = "com.github.maiflai.scalatest:0.32"
 multiJvmTesting = "org.danilopianini.multi-jvm-test-plugin:0.5.8"
-dokka = "org.jetbrains.dokka:1.9.10"
+dokka = "org.jetbrains.dokka:1.9.20"
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-qa = "org.danilopianini.gradle-kotlin-qa:0.60.2"
 shadowJar = "com.github.johnrengelman.shadow:8.1.1"