Chore(deps): Bump @nextcloud/vue from 7.8.0 to 7.8.4

Bumps [@nextcloud/vue](https://github.com/nextcloud/nextcloud-vue) from 7.8.0 to 7.8.4.
- [Release notes](https://github.com/nextcloud/nextcloud-vue/releases)
- [Changelog](https://github.com/nextcloud/nextcloud-vue/blob/master/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-vue@v7.8.0...v7.8.4)

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

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

Author: dependabot[bot]

package-lock.json

@@ -34,7 +34,7 @@
     "@nextcloud/initial-state": "^1.2.1",
     "@nextcloud/l10n": "^1.4.1",
     "@nextcloud/router": "^2.0.0",
-    "@nextcloud/vue": "^7.8.0",
+    "@nextcloud/vue": "^7.8.4",
     "vue": "^2.6.14",
     "vue-click-outside": "^1.1.0"
   },