Bump webpack-dev-server from 4.15.1 to 5.1.0

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 4.15.1 to 5.1.0.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v4.15.1...v5.1.0)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

packages/mountable/package.json

@@ -82,7 +82,7 @@
     "terser-webpack-plugin": "^5.2.5",
     "web-vitals": "^3.5.2",
     "webpack": "5.76.0",
-    "webpack-dev-server": "^4.6.0",
+    "webpack-dev-server": "^5.1.0",
     "webpack-manifest-plugin": "^4.0.2",
     "workbox-webpack-plugin": "^6.4.1"
   },