feat: upgrade 2.0

Author: liutao

composer.json

@@ -8,7 +8,7 @@
     },
     "require": {
         "php": ">=8.0",
-        "microphp/contract": "^1.0"
+        "microphp/contract": ">=1.0"
     },
     "require-dev": {
         "pestphp/pest": "^2.35"