Prepare for 12.0.0-alpha.11 release (#7375)

Author: cknitt

CHANGELOG.md

@@ -10,7 +10,7 @@
 > - :house: [Internal]
 > - :nail_care: [Polish]
 
-# 12.0.0-alpha.11 (Unreleased)
+# 12.0.0-alpha.11
 
 #### :bug: Bug fix
 
@@ -66,7 +66,7 @@
 
 #### :bug: Bug fix
 
-- Fix recursive untagged variant type checking by delaying well-formedness checks until environment construction completes. [#7320](https://github.com/rescript-lang/rescript/pull/7320)
+- Fix recursive untagged variant type checking by delaying well-formedness checks until environment construction completes. https://github.com/rescript-lang/rescript/pull/7320
 - Fix incorrect expansion of polymorphic return types in uncurried function applications. https://github.com/rescript-lang/rescript/pull/7338
 
 # 12.0.0-alpha.9