fix: use 'public beta' instead of 'public alpha' to be consistent with our internal terminology for release stages

Author: activescott

api-reference/v2/general/introduction.mdx

@@ -5,7 +5,7 @@ sidebarTitle: Introduction
 
 The Glide APIv2 is a RESTful API that allows you to programmatically interact with the Glide platform. These are the developer docs for version 2 of the API, initially released in July of 2024.
 
-<Warning>This API is currently in a public alpha state. Feedback is welcome. However, please be aware that **breaking changes are expected**!</Warning>
+<Warning>This API is currently in a public beta state. Feedback is welcome. However, please be aware that **breaking changes are expected**!</Warning>
 
 ## Functionality