Bump copyfiles from 2.3.0 to 2.4.0

Bumps [copyfiles](https://github.com/calvinmetcalf/copyfiles) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/calvinmetcalf/copyfiles/releases)
- [Commits](https://github.com/calvinmetcalf/copyfiles/compare/v2.3.0...v2.4.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -45,7 +45,7 @@
     "babel-plugin-module-resolver": "^4.0.0",
     "clean-webpack-plugin": "^3.0.0",
     "copy-webpack-plugin": "^6.0.2",
-    "copyfiles": "^2.3.0",
+    "copyfiles": "^2.4.0",
     "css-loader": "^4.2.0",
     "eslint": "7.6.0",
     "eslint-config-prettier": "^6.11.0",