add iOS Safari 15.4 compat data mapping

Author: zloirock

CHANGELOG.md

@@ -2,7 +2,7 @@
 ##### Unreleased
 - Added Rhino 1.7.14 compat data
 - Added Deno 1.19 compat data mapping
-- Added iOS Safari 15.3 compat data mapping
+- Added iOS Safari 15.3 and 15.4 compat data mapping
 
 ##### 3.20.3 - 2022.01.15
 - Detects and replaces broken third-party `Function#bind` polyfills, uses only native `Function#bind` in the internals

packages/core-js-compat/src/mapping.mjs

@@ -199,6 +199,7 @@ export default {
     ['15.1', '15.1'],
     ['15.2', '15.2'],
     ['15.3', '15.3'],
+    ['15.4', '15.4'],
   ],
   SafariToPhantom: [
     ['4.1', '1.9'],