docs: Remove beta tag from Debugger (#32950)

Release Notes:

- N/A

docs/src/SUMMARY.md

@@ -32,7 +32,7 @@
 - [Channels](./channels.md)
 - [Collaboration](./collaboration.md)
 - [Git](./git.md)
-- [Debugging (Beta)](./debugger.md)
+- [Debugger](./debugger.md)
 - [Tasks](./tasks.md)
 - [Remote Development](./remote-development.md)
 - [Environment Variables](./environment.md)

docs/src/debugger.md

@@ -1,4 +1,4 @@
-# Debugger (Beta)
+# Debugger
 
 Zed uses the [Debug Adapter Protocol (DAP)](https://microsoft.github.io/debug-adapter-protocol/) to provide debugging functionality across multiple programming languages.
 DAP is a standardized protocol that defines how debuggers, editors, and IDEs communicate with each other.