Bump copy-webpack-plugin from 11.0.0 to 12.0.2

Bumps [copy-webpack-plugin](https://github.com/webpack-contrib/copy-webpack-plugin) from 11.0.0 to 12.0.2.
- [Release notes](https://github.com/webpack-contrib/copy-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/copy-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/copy-webpack-plugin@v11.0.0...v12.0.2)

---
updated-dependencies:
- dependency-name: copy-webpack-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -89,7 +89,7 @@
     "babel-plugin-add-module-exports": "^1.0.4",
     "bundle-loader": "^0.5.6",
     "chalk": "^4.1.2",
-    "copy-webpack-plugin": "^11.0.0",
+    "copy-webpack-plugin": "^12.0.2",
     "cors": "^2.8.5",
     "cross-spawn-promise": "^0.10.2",
     "css-loader": "^6.7.3",