Bumped v1.5.3

Author: mcollina

package.json

@@ -1,6 +1,6 @@
 {
   "name": "fast-json-stringify",
-  "version": "1.5.2",
+  "version": "1.5.3",
   "description": "Stringify your JSON at max speed",
   "main": "index.js",
   "scripts": {
@@ -31,11 +31,11 @@
     "pre-commit": "^1.2.2",
     "proxyquire": "^2.0.0",
     "standard": "^11.0.1",
-    "tap": "^11.1.3",
+    "tap": "^11.1.5",
     "uglify-es": "^3.3.9"
   },
   "dependencies": {
-    "ajv": "^6.4.0",
+    "ajv": "^6.5.0",
     "deepmerge": "^2.1.0"
   }
 }