Bump @nextcloud/vue from 2.6.1 to 2.9.0

Bumps [@nextcloud/vue](https://github.com/nextcloud/nextcloud-vue) from 2.6.1 to 2.9.0.
- [Release notes](https://github.com/nextcloud/nextcloud-vue/releases)
- [Commits](nextcloud-libraries/nextcloud-vue@v2.6.1...v2.9.0)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "@nextcloud/axios": "^1.4.0",
     "@nextcloud/router": "^1.2.0",
-    "@nextcloud/vue": "^2.6.1",
+    "@nextcloud/vue": "^2.9.0",
     "@nextcloud/vue-dashboard": "^1.0.1",
     "babel-eslint": "^10.1.0",
     "nextcloud-server": "^0.15.10",