Update dependency @material-ui/core to v1.3.1

Author: renovate-bot

react-typescript/package.json

@@ -14,7 +14,7 @@
     "@accounts/client-password": "0.3.0-beta.20",
     "@accounts/common": "0.1.0-beta.14",
     "@accounts/rest-client": "0.3.0-beta.20",
-    "@material-ui/core": "1.3.0",
+    "@material-ui/core": "1.3.1",
     "qrcode.react": "0.8.0",
     "react": "16.4.1",
     "react-dom": "16.4.1",

react-typescript/yarn.lock

@@ -55,9 +55,9 @@
     core-js "^2.5.7"
     regenerator-runtime "^0.11.1"
 
-"@material-ui/core@1.3.0":
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-1.3.0.tgz#cc06d2ddc594c5563e73c0364763b8502dbc260e"
+"@material-ui/core@1.3.1":
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-1.3.1.tgz#8b4e6db9ed4536e8ccbea0eeff3da0d524e6af2c"
   dependencies:
     "@babel/runtime" "^7.0.0-beta.42"
     "@types/jss" "^9.5.3"