Update composer.json (martin-helmich#29)

Bumped `softcreatr/jsonpath` to `0.6.4`

Author: SoftCreatR

composer.json

@@ -10,7 +10,7 @@
     ],
     "require": {
         "php": "^7.2 || ^8.0",
-        "softcreatr/jsonpath": "^0.6.2",
+        "softcreatr/jsonpath": "^0.6.4",
         "justinrainbow/json-schema": "^5.0"
     },
     "conflict": {