Bump vue-material-design-icons from 4.11.0 to 4.12.1

Bumps [vue-material-design-icons](https://github.com/robcresswell/vue-material-design-icons) from 4.11.0 to 4.12.1.
- [Release notes](https://github.com/robcresswell/vue-material-design-icons/releases)
- [Changelog](https://github.com/robcresswell/vue-material-design-icons/blob/dev/CHANGELOG.md)
- [Commits](robcresswell/vue-material-design-icons@4.11.0...4.12.1)

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Signed-off-by: npmbuildbot-nextcloud[bot] <npmbuildbot-nextcloud[bot]@users.noreply.github.com>

package.json

@@ -81,7 +81,7 @@
     "vue-clipboard2": "^0.3.1",
     "vue-infinite-loading": "^2.4.5",
     "vue-localstorage": "^0.6.2",
-    "vue-material-design-icons": "^4.11.0",
+    "vue-material-design-icons": "^4.12.1",
     "vue-multiselect": "^2.1.6",
     "vue-router": "^3.5.1",
     "vuedraggable": "^2.24.3",