bump vue-material-design-icons from 5.1.2 to 5.2.0

---
updated-dependencies:
- dependency-name: vue-material-design-icons
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -59,7 +59,7 @@
     "vue-click-outside": "^1.1.0",
     "vue-easymde": "^2.0.0",
     "vue-infinite-loading": "^2.4.5",
-    "vue-material-design-icons": "^5.1.2",
+    "vue-material-design-icons": "^5.2.0",
     "vue-router": "^3.6.5",
     "vue-smooth-dnd": "^0.8.1",
     "vuex": "^3.6.2",