Prepare for 12.0.0-beta.11 release (#7882)

Author: cknitt

CHANGELOG.md

@@ -14,11 +14,8 @@
 
 #### :boom: Breaking Change
 
-- Fix return type of `String.charCodeAt`. https://github.com/rescript-lang/rescript/pull/7864
-- Remove support of JSX children spread. https://github.com/rescript-lang/rescript/pull/7869
 - Have `String.charCodeAt` return `option<int>`; add `String.charCodeAtUnsafe`. https://github.com/rescript-lang/rescript/pull/7877
-
-#### :eyeglasses: Spec Compliance
+- Remove support of JSX children spread. https://github.com/rescript-lang/rescript/pull/7869
 
 #### :rocket: New Feature
 
@@ -31,8 +28,6 @@
 - Fix crash with `@get` on external of type `unit => 'a`. https://github.com/rescript-lang/rescript/pull/7866
 - Fix record type spreads in inline records. https://github.com/rescript-lang/rescript/pull/7859
 
-#### :memo: Documentation
-
 #### :nail_care: Polish
 
 - Reactivate optimization for length of array literals. https://github.com/rescript-lang/rescript/pull/7872