Bump webpack-dev-server from 4.15.1 to 5.2.5

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 4.15.1 to 5.2.5.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v4.15.1...v5.2.5)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-version: 5.2.5
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package.json

@@ -22,7 +22,7 @@
   "devDependencies": {
     "webpack": "^4.x",
     "webpack-cli": "^3.3.12",
-    "webpack-dev-server": "^4.x"
+    "webpack-dev-server": "^5.x"
   },
   "engines": {
     "node": "^14.0 || ^16.0"