fix(deps): bump vue from 2.7.16 to v3

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -32,7 +32,7 @@
     "@nextcloud/router": "^3.0.1",
     "@nextcloud/vue": "^8.26.1",
     "lodash": "^4.17.21",
-    "vue": "^2.7.16",
+    "vue": "^3.0.0-alpha",
     "vue-material-design-icons": "^5.3.1",
     "vuex": "^3.6.2"
   },