Update lockfile

yarn.lock

@@ -3348,7 +3348,7 @@ commander@2.17.x:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
   integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
 
-commander@^2.20.0, commander@^2.8.1, commander@~2.20.0, commander@~2.20.3:
+commander@^2.20.0, commander@^2.8.1, commander@~2.20.3:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -6930,7 +6930,7 @@ lerna-changelog@^0.5.0:
     string.prototype.padend "^3.0.0"
     yargs "^6.6.0"
 
-lerna@^3.16.0:
+lerna@^3.18.4:
   version "3.18.4"
   resolved "https://registry.yarnpkg.com/lerna/-/lerna-3.18.4.tgz#132858cabb8fc8393341ddddbbbd85dd0ca82a79"
   integrity sha512-DiU53cvMxaU07Bj2HwBwUQ2O3c/ORNq/QwKj1vGJH4vSkZSTUxPryp2baSNlt8PmnLNXOVpw0vOTRkEF+6n/cA==
@@ -9980,15 +9980,15 @@ string.prototype.padend@^3.0.0:
     es-abstract "^1.4.3"
     function-bind "^1.0.2"
 
-string.prototype.trimleft@^2.0.0, string.prototype.trimleft@^2.1.0:
+string.prototype.trimleft@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz#6cc47f0d7eb8d62b0f3701611715a3954591d634"
   integrity sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==
   dependencies:
     define-properties "^1.1.3"
     function-bind "^1.1.1"
 
-string.prototype.trimright@^2.0.0, string.prototype.trimright@^2.1.0:
+string.prototype.trimright@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/string.prototype.trimright/-/string.prototype.trimright-2.1.0.tgz#669d164be9df9b6f7559fa8e89945b168a5a6c58"
   integrity sha512-fXZTSV55dNBwv16uw+hh5jkghxSnc5oHq+5K/gXgizHwAvMetdAJlHqqoFC1FSDVPYWLkAKl2cxpUT41sV7nSg==