docs(deps): update plugin dokka to v2.1.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ resourceloader = "org.danilopianini:thread-inheritable-resource-loader:0.3.8"
 [bundles]
 
 [plugins]
-dokka = "org.jetbrains.dokka:2.0.0"
+dokka = "org.jetbrains.dokka:2.1.0"
 gitSemVer = "org.danilopianini.git-sensitive-semantic-versioning:7.0.6"
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-qa = "org.danilopianini.gradle-kotlin-qa:0.93.0"