Bump webpack in /graylog2-web-interface/packages/graylog-web-plugin

Bumps [webpack](https://github.com/webpack/webpack) from 5.108.1 to 5.108.4.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Changelog](https://github.com/webpack/webpack/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack@v5.108.1...v5.108.4)

---
updated-dependencies:
- dependency-name: webpack
  dependency-version: 5.108.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

graylog2-web-interface/packages/graylog-web-plugin/package.json

@@ -46,7 +46,7 @@
     "styled-components": "6.1.1",
     "typescript": "6.0.3",
     "use-query-params": "^2.2.0",
-    "webpack": "5.108.1",
+    "webpack": "5.108.4",
     "webpack-cli": "7.1.0",
     "webpack-merge": "^6.0.1"
   },