Bump vue from 2.6.14 to 2.7.8

Bumps [vue](https://github.com/vuejs/core) from 2.6.14 to 2.7.8.
- [Release notes](https://github.com/vuejs/core/releases)
- [Changelog](https://github.com/vuejs/core/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vuejs/core/commits)

---
updated-dependencies:
- dependency-name: vue
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -20,7 +20,7 @@
 		"@nextcloud/l10n": "^1.6.0",
 		"@nextcloud/router": "^1.2.0",
 		"@nextcloud/vue": "^5.3.1",
-		"vue": "^2.6.14"
+		"vue": "^2.7.8"
 	},
 	"browserslist": [
 		"extends @nextcloud/browserslist-config"