Bump webpack from 4.44.2 to 5.0.0

Bumps [webpack](https://github.com/webpack/webpack) from 4.44.2 to 5.0.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.44.2...v5.0.0)

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

package.json

@@ -50,7 +50,7 @@
     "stylelint-config-rational-order": "^0.1.2",
     "stylelint-no-browser-hacks": "^1.2.1",
     "stylelint-order": "^4.1.0",
-    "webpack": "^4.44.2",
+    "webpack": "^5.0.0",
     "webpack-merge": "^4.2.2",
     "webpack-stream": "^6.1.0",
     "worker-plugin": "^5.0.0"