chore: update dokka version to 2.0.0

Author: sarahhaggarty

docs/v.list

@@ -57,7 +57,7 @@
     <var name="jctoolsVersion" value="3.3.0" type="string"/>
 
     <var name="dokkaVersion"
-         value="1.9.20"
+         value="2.0.0"
          type="string"/>
 
     <var name="xcode" value="16.0" type="string"/>