Update dependency ajv to v6.6.2

Author: renovate-bot

package.json

@@ -146,7 +146,7 @@
   },
   "devDependencies": {
     "@babel/core": "7.2.2",
-    "ajv": "6.6.1",
+    "ajv": "6.6.2",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "10.0.1",
     "babel-jest": "23.6.0",

yarn.lock

@@ -796,10 +796,10 @@ agent-base@4, agent-base@^4.1.0:
   dependencies:
     es6-promisify "^5.0.0"
 
-[email protected].1, ajv@^6.5.3:
-  version "6.6.1"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.6.1.tgz#6360f5ed0d80f232cc2b294c362d5dc2e538dd61"
-  integrity sha512-ZoJjft5B+EJBjUyu9C9Hc0OZyPZSSlOF+plzouTrg6UlA8f+e/n8NIgBFG/9tppJtpPWfthHakK7juJdNDODww==
+[email protected].2:
+  version "6.6.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.6.2.tgz#caceccf474bf3fc3ce3b147443711a24063cc30d"
+  integrity sha512-FBHEW6Jf5TB9MGBgUUA9XHkTbjXYfAUjY43ACMfmdMRHniyoMHjHjzD50OK8LGDWQwp4rWEsIq5kEqq7rvIM1g==
   dependencies:
     fast-deep-equal "^2.0.1"
     fast-json-stable-stringify "^2.0.0"
@@ -816,6 +816,16 @@ ajv@^5.3.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
+ajv@^6.5.3:
+  version "6.6.1"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.6.1.tgz#6360f5ed0d80f232cc2b294c362d5dc2e538dd61"
+  integrity sha512-ZoJjft5B+EJBjUyu9C9Hc0OZyPZSSlOF+plzouTrg6UlA8f+e/n8NIgBFG/9tppJtpPWfthHakK7juJdNDODww==
+  dependencies:
+    fast-deep-equal "^2.0.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"