Dep: update

주로 PHAN

vendor/netresearch/jsonmapper/composer.json

@@ -18,14 +18,14 @@
         "issues": "https://github.com/cweiske/jsonmapper/issues"
     },
     "require":{
-        "php": ">=5.6",
+        "php": ">=7.1",
         "ext-spl": "*",
         "ext-json": "*",
         "ext-pcre": "*",
         "ext-reflection": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.8.35 || ~5.7 || ~6.4 || ~7.0",
+        "phpunit/phpunit": "~7.5 || ~8.0 || ~9.0",
         "squizlabs/php_codesniffer": "~3.5"
     }
 }