Enable Claude 3 models to be used via the Zed server if "language-models" feature flag is enabled for user (#10015)

Release Notes:

- N/A

Cargo.lock

@@ -213,6 +213,18 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "anthropic"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "futures 0.3.28",
+ "serde",
+ "serde_json",
+ "tokio",
+ "util",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.75"
@@ -2214,6 +2226,7 @@ dependencies = [
 name = "collab"
 version = "0.44.0"
 dependencies = [
+ "anthropic",
  "anyhow",
  "async-trait",
  "async-tungstenite",