chore: Update roadmap for 2024

Author: sdirix

ROADMAP.md

@@ -2,11 +2,11 @@
 
 This roadmap defines our current view on how we will continue with the development of JSON Forms on a very coarse-grained level and is subject to change at any time:
 
-H2/2023
+H1/2024
 
-- Improve release process to allow for more and less effort releases
-- Improve developer experience
+- Improve adopter experience
+- Integrate Vue Vuetify renderer set with main repository
 
-H1/2024
+H2/2024
 
 - Improve adopter experience