Update material-ui dep.

package.json

@@ -4,11 +4,11 @@
   "private": true,
   "dependencies": {
     "@date-io/moment": "^1.x",
-    "@material-ui/core": "^4.9.8",
-    "@material-ui/icons": "^4.5.1",
-    "@material-ui/lab": "^4.0.0-alpha.47",
+    "@material-ui/core": "^4.11.0",
+    "@material-ui/icons": "^4.9.1",
+    "@material-ui/lab": "^4.0.0-alpha.56",
     "@material-ui/pickers": "^3.2.10",
-    "@material-ui/styles": "^4.6.0",
+    "@material-ui/styles": "^4.10.0",
     "etebase": "^0.11.0",
     "fuse.js": "^5.0.9-beta",
     "ical.js": "^1.4.0",

yarn.lock

@@ -1375,7 +1375,7 @@
     "@types/yargs" "^15.0.0"
     chalk "^3.0.0"
 
-"@material-ui/core@^4.9.8":
+"@material-ui/core@^4.11.0":
   version "4.11.0"
   resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-4.11.0.tgz#b69b26e4553c9e53f2bfaf1053e216a0af9be15a"
   integrity sha512-bYo9uIub8wGhZySHqLQ833zi4ZML+XCBE1XwJ8EuUVSpTWWG57Pm+YugQToJNFsEyiKFhPh8DPD0bgupz8n01g==
@@ -1393,14 +1393,14 @@
     react-is "^16.8.0"
     react-transition-group "^4.4.0"
 
-"@material-ui/icons@^4.5.1":
+"@material-ui/icons@^4.9.1":
   version "4.9.1"
   resolved "https://registry.yarnpkg.com/@material-ui/icons/-/icons-4.9.1.tgz#fdeadf8cb3d89208945b33dbc50c7c616d0bd665"
   integrity sha512-GBitL3oBWO0hzBhvA9KxqcowRUsA0qzwKkURyC8nppnC3fw54KPKZ+d4V1Eeg/UnDRSzDaI9nGCdel/eh9AQMg==
   dependencies:
     "@babel/runtime" "^7.4.4"
 
-"@material-ui/lab@^4.0.0-alpha.47":
+"@material-ui/lab@^4.0.0-alpha.56":
   version "4.0.0-alpha.56"
   resolved "https://registry.yarnpkg.com/@material-ui/lab/-/lab-4.0.0-alpha.56.tgz#ff63080949b55b40625e056bbda05e130d216d34"
   integrity sha512-xPlkK+z/6y/24ka4gVJgwPfoCF4RCh8dXb1BNE7MtF9bXEBLN/lBxNTK8VAa0qm3V2oinA6xtUIdcRh0aeRtVw==
@@ -1423,7 +1423,7 @@
     react-transition-group "^4.0.0"
     rifm "^0.7.0"
 
-"@material-ui/styles@^4.10.0", "@material-ui/styles@^4.6.0":
+"@material-ui/styles@^4.10.0":
   version "4.10.0"
   resolved "https://registry.yarnpkg.com/@material-ui/styles/-/styles-4.10.0.tgz#2406dc23aa358217aa8cc772e6237bd7f0544071"
   integrity sha512-XPwiVTpd3rlnbfrgtEJ1eJJdFCXZkHxy8TrdieaTvwxNYj42VnnCyFzxYeNW9Lhj4V1oD8YtQ6S5Gie7bZDf7Q==