[DevDependency] Bump webpack-dev-server from 3.11.2 to 5.0.4

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 3.11.2 to 5.0.4.
- [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@v3.11.2...v5.0.4)

---
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>

Author: dependabot[bot]

Diff for: package-lock.json

@@ -63,7 +63,7 @@
     "typescript": "^4.5.5",
     "webpack": "^4.34.0",
     "webpack-cli": "^4.7.2",
-    "webpack-dev-server": "^3.7.2"
+    "webpack-dev-server": "^5.0.4"
   },
   "peerDependencies": {
     "pdfjs-dist": "^2.4.456"