fix php Version

Author: kakuilan

composer.json

@@ -16,7 +16,7 @@
     }
   ],
   "require": {
-    "php": "^7.2",
+    "php": ">=7.2",
     "ext-curl": "*",
     "ext-dom": "*",
     "ext-json": "*",

src/Version.php

@@ -21,5 +21,5 @@ class Version {
     /**
      * 版本号
      */
-    const VERSION = '0.4.2';
+    const VERSION = '0.4.3';
 }