Update composer.json

Author: decaseal

composer.json

@@ -31,12 +31,12 @@
 		}
 	],
 	"require":{
-		"php":"^7.3",
+		"php":">=7.3",
 		"ext-curl":"*"
 	},
 	"autoload":{
 		"psr-4":{
 			"Topvisor\\Uncaptcha\\":"src/"
 		}
 	}
-}
+}