Bump ajv from 5.5.2 to 6.12.3

Bumps [ajv](https://github.com/ajv-validator/ajv) from 5.5.2 to 6.12.3.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v5.5.2...v6.12.3)

---
updated-dependencies:
- dependency-name: ajv
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -22,7 +22,7 @@
     "grunt": "^1.0.1",
     "grunt-contrib-connect": "^1.0.2",
     "grunt-parts": "^0.5.6",
-    "ajv": "^5.4.0",
+    "ajv": "^6.12.3",
     "codecov": "^3.6.5",
     "eslint": "^4.11.0",
     "eslint-config-airbnb-base": "^10.0.1",

yarn.lock

@@ -49,7 +49,7 @@ ajv-keywords@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
 
-ajv@^5.2.3, ajv@^5.3.0, ajv@^5.4.0:
+ajv@^5.2.3, ajv@^5.3.0:
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
   dependencies:
@@ -58,6 +58,15 @@ ajv@^5.2.3, ajv@^5.3.0, ajv@^5.4.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
+ajv@^6.12.3:
+  version "6.12.3"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.3.tgz#18c5af38a111ddeb4f2697bd78d68abc1cabd706"
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 amdefine@>=0.0.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
@@ -1160,6 +1169,10 @@ fast-deep-equal@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
 
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -2189,6 +2202,10 @@ json-schema-traverse@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
 
+json-schema-traverse@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
+
 json-stable-stringify-without-jsonify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
@@ -2864,6 +2881,10 @@ pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
+punycode@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
+
 [email protected]:
   version "6.11.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.11.0.tgz#fd0d963446f7a65e1367e01abd85429453f0c37a"
@@ -3553,6 +3574,12 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
+uri-js@^4.2.2:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  dependencies:
+    punycode "^2.1.0"
+
 [email protected]:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/uri-path/-/uri-path-0.0.2.tgz#803eb01f2feb17927dcce0f6187e72b75f53f554"