Update @mdi/font to the latest version 🚀 (#87)

* fix(package): update @mdi/font to version 3.0.39

* chore(package): update lockfile yarn.lock

package.json

@@ -14,7 +14,7 @@
   "dependencies": {
     "@material-ui/core": "^3.0.1",
     "@material-ui/lab": "^3.0.0-alpha.16",
-    "@mdi/font": "^2.0.46",
+    "@mdi/font": "^3.0.39",
     "leaflet": "^1.3.1",
     "lodash-es": "^4.17.4",
     "mqtt": "^2.14.0",

yarn.lock

@@ -680,9 +680,9 @@
     classnames "^2.2.5"
     keycode "^2.1.9"
 
-"@mdi/font@^2.0.46":
-  version "2.8.94"
-  resolved "https://registry.yarnpkg.com/@mdi/font/-/font-2.8.94.tgz#b6d55026693f4ac5c38ec01e05e2ec412a215673"
+"@mdi/font@^3.0.39":
+  version "3.0.39"
+  resolved "https://registry.yarnpkg.com/@mdi/font/-/font-3.0.39.tgz#8a388ec9816939eff2099120102073aecdf6e5f8"
 
 "@octokit/rest@^15.2.6":
   version "15.15.1"