feat(css): support es2025 build target for lightningcss (#21769)

Author: KTibow

packages/vite/src/node/plugins/css.ts

@@ -3468,6 +3468,15 @@ const esMap: Record<number, string[]> = {
     'firefox145',
     'opera105',
   ],
+  // https://caniuse.com/?feats=mdn-javascript_builtins_set_union%2Cmdn-javascript_builtins_iterator_toarray%2Cmdn-javascript_statements_import_import_attributes_type_json%2Cmdn-javascript_regular_expressions_named_capturing_group_duplicate_named_capturing_groups%2Cmdn-javascript_regular_expressions_modifier%2Cmdn-javascript_builtins_promise_try%2Cmdn-javascript_builtins_float16array%2Cmdn-javascript_builtins_regexp_escape
+  2025: [
+    'chrome136',
+    'edge136',
+    'safari26.0',
+    'ios26.0',
+    'firefox138',
+    'opera121',
+  ],
 }
 
 const esRE = /es(\d{4})/