Upgrade core-js and Babel (#29554)

GitOrigin-RevId: 259149f10335d98443fa8e6ccc4289d2bb3138dd

services/web/babel.config.json

@@ -6,7 +6,7 @@
       {
         "useBuiltIns": "usage",
         // This version must be aligned with the `core-js` version in `package.json`
-        "corejs": { "version": "3.41" },
+        "corejs": { "version": "3.46" },
         "exclude": [
           // Exclude Array.prototype.push polyfill, as it's not needed and affects performance in Chrome
           "es.array.push",

services/web/package.json

@@ -200,12 +200,12 @@
   "devDependencies": {
     "5to6-codemod": "^1.8.0",
     "@ai-sdk/react": "^3.0.2",
-    "@babel/core": "^7.26.10",
-    "@babel/plugin-proposal-decorators": "^7.27.0",
-    "@babel/preset-env": "^7.26.9",
-    "@babel/preset-react": "^7.26.3",
-    "@babel/preset-typescript": "^7.27.0",
-    "@babel/register": "^7.25.9",
+    "@babel/core": "^7.28.5",
+    "@babel/plugin-proposal-decorators": "^7.28.0",
+    "@babel/preset-env": "^7.28.5",
+    "@babel/preset-react": "^7.28.5",
+    "@babel/preset-typescript": "^7.28.5",
+    "@babel/register": "^7.28.3",
     "@codemirror/autocomplete": "github:overleaf/codemirror-autocomplete#6445cd056671c98d12d1c597ba705e11327ec4c5",
     "@codemirror/commands": "^6.9.0",
     "@codemirror/lang-markdown": "^6.4.0",
@@ -290,7 +290,7 @@
     "algoliasearch": "^3.35.1",
     "autoprefixer": "^10.4.16",
     "axios": "^1.8.3",
-    "babel-loader": "^9.1.3",
+    "babel-loader": "^10.0.0",
     "babel-plugin-macros": "^3.1.0",
     "babel-plugin-module-resolver": "^5.0.2",
     "backbone": "^1.6.0",
@@ -307,7 +307,7 @@
     "confusing-browser-globals": "^1.0.11",
     "cookie-signature": "^1.2.1",
     "copy-webpack-plugin": "^11.0.0",
-    "core-js": "^3.41.0",
+    "core-js": "~3.46.0",
     "css-loader": "^6.8.1",
     "css-minimizer-webpack-plugin": "^5.0.1",
     "cypress": "13.13.2",