Bump @nextcloud/vue from 8.3.0 to 8.4.0

Bumps [@nextcloud/vue](https://github.com/nextcloud-libraries/nextcloud-vue) from 8.3.0 to 8.4.0.
- [Release notes](https://github.com/nextcloud-libraries/nextcloud-vue/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-vue/blob/master/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-vue@v8.3.0...v8.4.0)

---
updated-dependencies:
- dependency-name: "@nextcloud/vue"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -22,7 +22,7 @@
 	"dependencies": {
 		"@nextcloud/dialogs": "^4.2.2",
 		"@nextcloud/initial-state": "^2.1.0",
-		"@nextcloud/vue": "^8.3.0",
+		"@nextcloud/vue": "^8.4.0",
 		"vue": "^2.7.15"
 	},
 	"engines": {