message: Update to ajv 6.2.1
diff: @@ -67,8 +67,8 @@ ajv@^5.1.0:
  json-schema-traverse "^0.3.0"
  ajv@^6.1.1:
  - version "6.1.1"
  - resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.1.1.tgz#978d597fbc2b7d0e5a5c3ddeb149a682f2abfa0e"
  + version "6.2.1"
  + resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.2.1.tgz#28a6abc493a2abe0fb4c8507acaedb43fa550671"
  dependencies:
  fast-deep-equal "^1.0.0"
  fast-json-stable-stringify "^2.0.0"
  @@ -1588,8 +1588,8 @@ falafel@^1.0.1:
  object-keys "^1.0.6"
  fast-deep-equal@^1.0.0:
  - version "1.0.0"
  - resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
  + version "1.1.0"
  + resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
  fast-json-stable-stringify@^2.0.0:
  version "2.0.0"
  