update yarn

yarn.lock

@@ -2480,6 +2480,10 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
+fastclick@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/fastclick/-/fastclick-1.0.6.tgz#161625b27b1a5806405936bda9a2c1926d06be6a"
+
 fastparse@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.1.tgz#d1e2643b38a94d7583b479060e6c4affc94071f8"
@@ -6191,6 +6195,10 @@ vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
 
+vconsole@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/vconsole/-/vconsole-2.5.2.tgz#07092d9a459552d89604553cef512308553848df"
+
 vendors@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/vendors/-/vendors-1.0.1.tgz#37ad73c8ee417fb3d580e785312307d274847f22"