[deps]: Update copy-webpack-plugin to v14 (#1046)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -96,7 +96,7 @@
     "babel-loader": "10.0.0",
     "jest-environment-jsdom": "30.2.0",
     "concurrently": "9.2.0",
-    "copy-webpack-plugin": "13.0.0",
+    "copy-webpack-plugin": "14.0.0",
     "cross-env": "7.0.3",
     "css-loader": "7.1.2",
     "dotenv": "17.3.1",