chore(deps-dev): Bump workbox-webpack-plugin from 6.6.0 to 7.0.0

Bumps [workbox-webpack-plugin](https://github.com/googlechrome/workbox) from 6.6.0 to 7.0.0.
- [Release notes](https://github.com/googlechrome/workbox/releases)
- [Commits](GoogleChrome/workbox@v6.6.0...v7.0.0)

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

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

package.json

@@ -184,7 +184,7 @@
     "webpack": "^5.79.0",
     "webpack-cli": "^5.0.2",
     "webpack-merge": "^5.8.0",
-    "workbox-webpack-plugin": "^6.5.4"
+    "workbox-webpack-plugin": "^7.0.0"
   },
   "browserslist": [
     "extends @nextcloud/browserslist-config"