Change requires to support lib-curl 8.

Author: chrisryan

composer.json

@@ -24,7 +24,7 @@
         "php": "^7.3 || ^8.0",
         "ext-curl": "*",
         "ext-json": "*",
-        "lib-curl": "~7.15",
+        "lib-curl": ">=7.15",
         "fig/http-message-util": "^1.1",
         "guzzlehttp/guzzle": "^7.0",
         "psr/http-message": "^1.0",