Bump @oclif/plugin-help from 2.1.6 to 2.2.0 (airtasker#262)

yarn.lock

@@ -323,7 +323,7 @@
   resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz#2b5a3ab3f918cca48a8c754c08168e3f03eba61b"
   integrity sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==
 
-"@oclif/command@^1", "@oclif/command@^1.5.1", "@oclif/command@^1.5.12", "@oclif/command@^1.5.8":
+"@oclif/command@^1", "@oclif/command@^1.5.1", "@oclif/command@^1.5.12", "@oclif/command@^1.5.13":
   version "1.5.14"
   resolved "https://registry.yarnpkg.com/@oclif/command/-/command-1.5.14.tgz#cdf6013134abfb5630783f27e78436096ce3ed88"
   integrity sha512-R9gat0yUjamDVd4trvFgjlx2XYuMz1nM0uEBFP6nR1zOQAwJ3E1zqYbsVlCMWiUDGjU1hYmudmK7IjAxDUoqDw==
@@ -385,11 +385,11 @@
     tslib "^1.9.3"
 
 "@oclif/plugin-help@^2", "@oclif/plugin-help@^2.1.6":
-  version "2.1.6"
-  resolved "https://registry.yarnpkg.com/@oclif/plugin-help/-/plugin-help-2.1.6.tgz#ae14cbe2c5cd3eaf5f796d205ffbe66d3e369173"
-  integrity sha512-M4kTERpPWNSM1Mga7K/zo9DWHLCVf2FRaIeXPoytmTPd+0kSvG3TR0Vc1bwx9/cxXoYyYGgEejwNlrfayr8FZw==
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/@oclif/plugin-help/-/plugin-help-2.2.0.tgz#8dfc1c80deae47a205fbc70b018747ba93f31cc3"
+  integrity sha512-56iIgE7NQfwy/ZrWrvrEfJGb5rrMUt409yoQGw4feiU101UudA1btN1pbUbcKBr7vY9KFeqZZcftXEGxOp7zBg==
   dependencies:
-    "@oclif/command" "^1.5.8"
+    "@oclif/command" "^1.5.13"
     chalk "^2.4.1"
     indent-string "^3.2.0"
     lodash.template "^4.4.0"