collab: Give Zed AI users access to Claude 3.7 Sonnet (#25576)

This PR updates the authorization check to give Zed AI users access to
Claude 3.7 Sonnet.

Release Notes:

- N/A

crates/collab/src/llm/authorization.rs

@@ -27,7 +27,7 @@ fn authorize_access_to_model(
     }
 
     if provider == LanguageModelProvider::Anthropic {
-        if model == "claude-3-5-sonnet" {
+        if model == "claude-3-5-sonnet" || model == "claude-3-7-sonnet" {
             return Ok(());
         }