build(deps-dev): bump webpack-merge from 5.10.0 to 6.0.1

Bumps [webpack-merge](https://github.com/survivejs/webpack-merge) from 5.10.0 to 6.0.1.
- [Changelog](https://github.com/survivejs/webpack-merge/blob/develop/CHANGELOG.md)
- [Commits](survivejs/webpack-merge@v5.10.0...v6.0.1)

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

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

Author: dependabot[bot]

package-lock.json

@@ -105,7 +105,7 @@
         "webpack-bundle-analyzer": "^4.10.1",
         "webpack-cli": "^5.1.4",
         "webpack-dev-server": "^5.0.4",
-        "webpack-merge": "^5.10.0"
+        "webpack-merge": "^6.0.1"
     },
     "dependencies": {
         "@lezer/highlight": "^1.2.0",