Change return type of Intl.Collator.compare to Ordering.t (#8289)

* Change return type of Intl.Collator.compare to Ordering.t

* CHANGELOG

Author: cknitt

CHANGELOG.md

@@ -14,6 +14,8 @@
 
 #### :boom: Breaking Change
 
+- Change `Intl.Collator.compare` return type from `int` to `Ordering.t` (`float`). https://github.com/rescript-lang/rescript/pull/8289
+
 #### :eyeglasses: Spec Compliance
 
 #### :rocket: New Feature

packages/@rescript/runtime/Stdlib_Intl_Collator.res

@@ -77,10 +77,10 @@ Intl.Collator.resolvedOptions(collator).locale == "en-US"
 
 ```rescript
 let collator = Intl.Collator.make(~locales=["en-US"])
-collator->Intl.Collator.compare("apple", "banana") < 0
+Ordering.isLess(collator->Intl.Collator.compare("apple", "banana"))
 ```
 */
-@send external compare: (t, string, string) => int = "compare"
+@send external compare: (t, string, string) => Stdlib_Ordering.t = "compare"
 
 /**
   `ignore(collator)` ignores the provided collator and returns unit.