fix deprecation error on PHP 8.3 on stream_context_set_options()

[tenzap]

"Calling stream_context_set_option() with 2 arguments is deprecated, use stream_context_set_options() instead" at vendor/datto/json-rpc-http/src/Client.php:223

[RLHawk1]

I contacted the original developer of this, and he doesn't have access to merge any pull requests. So my company has forked this including this fix and plans to maintain it going forward. You can use it at https://github.com/hcs-llc/php-json-rpc-http