Merge pull request #3 from vikingmrboo/patch-1

update jsonmapper to 2.1.0

Author: ns3777k

.gitignore

@@ -5,3 +5,4 @@
 /.phpunit.result.cache
 /vendor
 /.php_cs.cache
+composer.lock

composer.json

@@ -20,7 +20,7 @@
     },
     "require": {
         "guzzlehttp/guzzle": "~6.0",
-        "netresearch/jsonmapper": "^1.5",
+        "netresearch/jsonmapper": "^2.1.0",
         "ext-json": "*",
         "php": ">=7.2"
     },