Bump webpack-dev-server from 4.7.4 to 4.8.1 (#5209)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -406,7 +406,7 @@
     "typescript-plugin-css-modules": "^3.4.0",
     "webpack": "^5.69.0",
     "webpack-cli": "^4.9.2",
-    "webpack-dev-server": "^4.7.4",
+    "webpack-dev-server": "^4.8.1",
     "webpack-node-externals": "^3.0.0",
     "xterm": "^4.18.0",
     "xterm-addon-fit": "^0.5.0"