chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeperio-bot

yarn.lock

@@ -5301,10 +5301,14 @@ sax@^1.1.4, sax@^1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
-"semver@2 || 3 || 4 || 5", semver@5.4.1, semver@5.x, semver@^5.0.1, semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1:
+"semver@2 || 3 || 4 || 5", [email protected], semver@^5.0.1, semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
+[email protected]:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
+
 [email protected]:
   version "0.13.2"
   resolved "https://registry.yarnpkg.com/send/-/send-0.13.2.tgz#765e7607c8055452bba6f0b052595350986036de"
@@ -5948,7 +5952,7 @@ vinyl@^0.5.0:
     clone-stats "^0.0.1"
     replace-ext "0.0.1"
 
-"vm2@github:patriksimek/vm2#custom_files":
+vm2@patriksimek/vm2#custom_files:
   version "3.5.0"
   resolved "https://codeload.github.com/patriksimek/vm2/tar.gz/7e82f90ac705fc44fad044147cb0df09b4c79a57"