Update yarn lockfile

Author: benjie

yarn.lock

@@ -393,7 +393,7 @@
     "@babel/traverse" "^7.7.4"
     "@babel/types" "^7.7.4"
 
-"@babel/highlight@^7.0.0", "@babel/highlight@^7.8.3":
+"@babel/highlight@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.8.3.tgz#28f173d04223eaaa59bc1d439a3836e6d1265797"
   integrity sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==
@@ -407,7 +407,7 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.3.tgz#790874091d2001c9be6ec426c2eed47bc7679081"
   integrity sha512-/V72F4Yp/qmHaTALizEm9Gf2eQHV3QyTL3K0cNfijwnMnb1L+LDlAubb/ZnSdGAVzVSWakujHYs1I26x66sMeQ==
 
-"@babel/parser@^7.0.0", "@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.4.4", "@babel/parser@^7.6.4", "@babel/parser@^7.7.2", "@babel/parser@^7.7.4", "@babel/parser@^7.7.5", "@babel/parser@^7.8.3":
+"@babel/parser@^7.0.0", "@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.4.4", "@babel/parser@^7.6.4", "@babel/parser@^7.7.2", "@babel/parser@^7.7.5", "@babel/parser@^7.8.3":
   version "7.8.4"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.4.tgz#d1dbe64691d60358a974295fa53da074dd2ce8e8"
   integrity sha512-0fKu/QqildpXmPVaRBoXOlyBb3MC+J0A66x97qEfLOMkn3u6nfY5esWogQwi/K0BjASYy4DbnsEWnpNL6qT5Mw==