Update dependency org.jetbrains.dokka:dokka-maven-plugin to v2

Author: renovate[bot]

pom.xml

@@ -196,7 +196,7 @@
         <plugin>
           <groupId>org.jetbrains.dokka</groupId>
           <artifactId>dokka-maven-plugin</artifactId>
-          <version>1.9.20</version>
+          <version>2.1.0</version>
         </plugin>
         <plugin>
           <groupId>org.jetbrains.kotlin</groupId>