Update Gemini Models (#32902)

Updates google_ai to use latest model information from the respective
model cards: https://ai.google.dev/gemini-api/docs/models

Release Notes:

- google: Update to latest Gemini 2.5 models

crates/language_models/src/provider/google.rs

@@ -342,11 +342,11 @@ impl LanguageModel for GoogleLanguageModel {
     }
 
     fn supports_tools(&self) -> bool {
-        true
+        self.model.supports_tools()
     }
 
     fn supports_images(&self) -> bool {
-        true
+        self.model.supports_images()
     }
 
     fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
@@ -369,6 +369,10 @@ impl LanguageModel for GoogleLanguageModel {
         self.model.max_token_count()
     }
 
+    fn max_output_tokens(&self) -> Option<u64> {
+        self.model.max_output_tokens()
+    }
+
     fn count_tokens(
         &self,
         request: LanguageModelRequest,