Update CHANGELOG

Author: shulhi

CHANGELOG.md

@@ -16,6 +16,7 @@
 
 - Revert "Throws an instance of JavaScript's `new Error()` and adds the extension payload for `cause` option" (https://github.com/rescript-lang/rescript-compiler/pull/6611). https://github.com/rescript-lang/rescript-compiler/pull/7016
 - Fix dict literals error. https://github.com/rescript-lang/rescript-compiler/pull/7019
+- Fix tuple coercion. https://github.com/rescript-lang/rescript-compiler/pull/7024
 
 # 12.0.0-alpha.2