build(deps): bump vuetify from 2.3.4 to 2.6.10

Bumps [vuetify](https://github.com/vuetifyjs/vuetify/tree/HEAD/packages/vuetify) from 2.3.4 to 2.6.10.
- [Release notes](https://github.com/vuetifyjs/vuetify/releases)
- [Commits](https://github.com/vuetifyjs/vuetify/commits/v2.6.10/packages/vuetify)

---
updated-dependencies:
- dependency-name: vuetify
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -28,7 +28,7 @@
         "katex": "^0.12.0",
         "vue-quill-editor": "^3.0.6",
         "vue-router": "^3.1.3",
-        "vuetify": "^2.3.4",
+        "vuetify": "^2.6.10",
         "vuex": "^3.5.1"
     }
 }