chore: twilio help changes (#678)

Author: kridai

CONTRIBUTING.md

@@ -22,7 +22,7 @@ it can be.
 
 If you have questions about how to use `twilio-ruby`, please see our
 [docs](./README.md), and if you don't find the answer there, please contact
-[help@twilio.com](mailto:help@twilio.com) with any issues you have.
+[Twilio Support](https://www.twilio.com/help/contact)  with any issues you have.
 
 ## <a name="issue"></a> Found an Issue?
 

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (C) 2023, Twilio, Inc. <help@twilio.com>
+Copyright (C) 2023, Twilio, Inc. <https://www.twilio.com/help/contact>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in