Bump vue-material-design-icons from 3.1.0 to 3.3.1 (#97)

Bumps [vue-material-design-icons](https://github.com/robcresswell/vue-material-design-icons) from 3.1.0 to 3.3.1.
- [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@3.1.0...3.3.1)

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

package.json

@@ -34,7 +34,7 @@
     "typeface-ubuntu-mono": "0.0.72",
     "vue": "^2.6.10",
     "vue-avatar-cropper": "1.0.5",
-    "vue-material-design-icons": "^3.1.0",
+    "vue-material-design-icons": "^3.3.1",
     "vue-router": "^3.0.4",
     "vue-template-compiler": "^2.6.10",
     "vuex": "^3.1.1",