Add ES2024/ES2025 polyfills with fixes for reduce, groupBy prototype safety, and iterator resilience

Co-authored-by: mattcosta7 <8616962+mattcosta7@users.noreply.github.com>

Author: Copilot

package-lock.json

@@ -5,6 +5,10 @@ import * as withResolvers from './promise-withResolvers.js'
 import * as requestIdleCallback from './requestidlecallback.js'
 import * as popover from '@oddbird/popover-polyfill/fn'
 import * as commandAndCommandFor from 'invokers-polyfill/fn'
+import * as objectGroupBy from './object-groupby.js'
+import * as mapGroupBy from './map-groupby.js'
+import * as promiseTry from './promise-try.js'
+import * as iteratorHelpers from './iterator-helpers.js'
 
 let supportsModalPseudo = false
 try {
@@ -53,6 +57,10 @@ export const polyfills = {
   withResolvers,
   popover,
   commandAndCommandFor,
+  objectGroupBy,
+  mapGroupBy,
+  promiseTry,
+  iteratorHelpers,
 }
 
 export function isSupported() {