Update changelog

Author: DZakh

CHANGELOG.md

@@ -40,10 +40,11 @@
 
 #### :house: Internal
 
-- Remove ignore in res_scanner.ml . https://github.com/rescript-lang/rescript/pull/7280
+- Remove ignore in res_scanner.ml. https://github.com/rescript-lang/rescript/pull/7280
 - Use the new stdlib modules in the analysis tests. https://github.com/rescript-lang/rescript/pull/7295
 - Build with OCaml 5.3.0. https://github.com/rescript-lang/rescript/pull/7294
 - Simplify JSON.Decode implementation. https://github.com/rescript-lang/rescript/pull/7304
+- Clean up legacy tags handling. https://github.com/rescript-lang/rescript/pull/7309
 
 # 12.0.0-alpha.8