Bump vuetify from 2.6.2 to 2.6.10 in /frontend

Bumps [vuetify](https://github.com/vuetifyjs/vuetify/tree/HEAD/packages/vuetify) from 2.6.2 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>

frontend/package.json

@@ -21,7 +21,7 @@
     "vue-cookie": "^1.1.4",
     "vue-gettext": "^2.1.12",
     "vue-router": "^3.2.0",
-    "vuetify": "^2.2.11",
+    "vuetify": "^2.6.10",
     "vuex": "^3.4.0"
   },
   "devDependencies": {

frontend/yarn.lock

@@ -9792,10 +9792,10 @@ vuetify-loader@^1.3.0:
     file-loader "^6.2.0"
     loader-utils "^2.0.0"
 
-vuetify@^2.2.11:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/vuetify/-/vuetify-2.6.2.tgz#1ed4d3c9e734d55202bd566b789cce0e0013279a"
-  integrity sha512-nx3uZkO8MZNMshUEh1xKaQ1hQYepNwWFn3FVxKt+XBVf7ZFscd0GS/a3KZo4B3baXQmziCQAZKNIQF5IWeaIUw==
+vuetify@^2.6.10:
+  version "2.6.10"
+  resolved "https://registry.yarnpkg.com/vuetify/-/vuetify-2.6.10.tgz#b86cd7a97bf8cd3828a72c349795b5b3c539ebc2"
+  integrity sha512-fgUeRDDCwYkwu6WGEEKGe7IdfzOsXJCZGrqkn1pcS2ycuoDL8mR2/dejH5iFNnBY6MnsT365PAGn0J+9otjfQg==
 
 vuex@^3.4.0:
   version "3.6.2"