Update objection to the latest version 🚀 (#15)

* fix(package): update objection to version 1.3.0

* chore(package): update lockfile yarn.lock

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "koa-compose": "4.1.0",
     "koa-router": "7.4.0",
     "koa-sslify": "2.1.2",
-    "objection": "1.2.6",
+    "objection": "1.3.0",
     "pg": "7.4.3",
     "ramda": "0.25.0",
     "slugify": "1.3.1",

yarn.lock

@@ -4135,9 +4135,9 @@ object.pick@^1.2.0, object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
-objection@1.2.6:
-  version "1.2.6"
-  resolved "https://registry.yarnpkg.com/objection/-/objection-1.2.6.tgz#02c776af281f568781246f6812dede3068c22c3c"
+objection@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/objection/-/objection-1.3.0.tgz#2b7e41d4b44a5c1abcb40e34e7ef6347e8bb683d"
   dependencies:
     ajv "^6.1.1"
     bluebird "^3.5.1"