chore: Set baseVersion version to RC2

Author: tgodzik

changelogs/3.3.6-RC2.md

@@ -9,5 +9,5 @@ Thank you to all theq contributors who made this release possible 🎉
 According to `git shortlog -sn --no-merges 3.3.6-RC1..3.3.6-RC2` these are:
 
 ```
-     2  Tomasz Godzik
+     3  Tomasz Godzik
 ```

project/Build.scala

@@ -108,7 +108,7 @@ object Build {
    *  During release candidate cycle incremented by the release officer before publishing a subsequent RC version;
    *  During final, stable release is set exactly to `developedVersion`.
   */
-  val baseVersion = s"$developedVersion-RC1"
+  val baseVersion = s"$developedVersion-RC2"
 
   /** The version of TASTY that should be emitted, checked in runtime test
    *  For defails on how TASTY version should be set see related discussions: