Update composer.json

composer.json

@@ -11,7 +11,7 @@
   ],
   "autoload": {
     "psr-4": {
-      "": "src"
+      "": "src/"
     }
   },
   "repositories": [
@@ -21,7 +21,7 @@
     }
   ],
   "require": {
-    "php": ">=8.0",
+    "php": "^8.0",
     "curl/curl": "*",
     "ext-json": "*",
     "ext-curl": "*"