dependency: update fast-json-patch to 2.0.6 (#1253)

Author: meros

package.json

@@ -70,7 +70,7 @@
     "cross-fetch": "0.0.8",
     "deep-extend": "^0.4.1",
     "encode-3986": "^1.0.0",
-    "fast-json-patch": "^1.2.2",
+    "fast-json-patch": "^2.0.6",
     "isomorphic-form-data": "0.0.1",
     "js-yaml": "^3.8.1",
     "lodash": "^4.16.2",