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>

package.json

@@ -189,7 +189,7 @@
     "wait-on": "^7.2.0",
     "webpack": "^5.91.0",
     "webpack-cli": "^5.0.2",
-    "webpack-merge": "^5.8.0",
+    "webpack-merge": "^6.0.1",
     "workbox-webpack-plugin": "^7.0.0"
   },
   "browserslist": [