fix(crystal): map object type to JSON::Any type

Author: n-rodriguez

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CrystalClientCodegen.java

@@ -183,8 +183,8 @@ public CrystalClientCodegen() {
         typeMapping.put("List", "Array");
         typeMapping.put("set", "Set");
         typeMapping.put("map", "Hash");
-        typeMapping.put("object", "Object");
-        typeMapping.put("AnyType", "Object");
+        typeMapping.put("object", "JSON::Any");
+        typeMapping.put("AnyType", "JSON::Any");
         typeMapping.put("file", "::File");
         typeMapping.put("binary", "String");
         typeMapping.put("ByteArray", "String");