Pass temperature to Anthropic (#17509)

Release Notes:

- N/A

---------

Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>

crates/language_model/src/request.rs

@@ -399,7 +399,7 @@ impl LanguageModelRequest {
             tool_choice: None,
             metadata: None,
             stop_sequences: Vec::new(),
-            temperature: None,
+            temperature: Some(self.temperature),
             top_k: None,
             top_p: None,
         }