chore: upgrade to webpack encore 7

package.json

@@ -1,26 +1,26 @@
 {
   "name": "myep",
   "devDependencies": {
-    "@babel/core": "^7.17.0",
-    "@babel/preset-env": "^7.16.0",
+    "@babel/core": "^8.0.7",
+    "@babel/preset-env": "^8.0.7",
     "@hotwired/stimulus": "^3.0.0",
     "@symfony/stimulus-bridge": "^3.2.0",
-    "@symfony/webpack-encore": "^6.0.0",
+    "@symfony/webpack-encore": "^7.2.0",
     "@tailwindcss/forms": "^0.5.9",
     "@tailwindcss/typography": "^0.5.15",
     "autoprefixer": "^10.4.20",
+    "babel-plugin-polyfill-corejs3": "^1.0.0",
     "core-js": "^3.38.0",
     "cypress": "^15.5.0",
-    "file-loader": "^6.2.0",
     "htmx.org": "^1.9.12",
+    "lightningcss": "^1.33.0",
     "postcss": "^8.4.49",
     "postcss-loader": "^8.1.1",
-    "regenerator-runtime": "^0.13.9",
     "tailwindcss": "^3.4.15",
     "tippy.js": "^6.3.7",
     "toastify-js": "^1.12.0",
     "webpack": "^5.74.0",
-    "webpack-cli": "^6.0.1"
+    "webpack-cli": "^7.2.3"
   },
   "license": "WTFPL",
   "private": true,