chore: Adding regex for claude-4 models to anthropic_llm and updating tests

Copybara import of the project:

--
824b437 by Andres Videla <[email protected]>:

Adding regex for claude-4 models to anthropic_llm and updating tests

--
8fa2a2d by Wei Sun (Jack) <[email protected]>:

Adds trailing comma.

COPYBARA_INTEGRATE_REVIEW=google#934 from avidelatm:feature/add-support-for-claude-4-models-to-anthropic_llm 8d10bac
PiperOrigin-RevId: 764396694

Author: avidelatm

src/google/adk/models/anthropic_llm.py

@@ -208,7 +208,7 @@ class Claude(BaseLlm):
   @staticmethod
   @override
   def supported_models() -> list[str]:
-    return [r"claude-3-.*"]
+    return [r"claude-3-.*", r"claude-.*-4.*"]
 
   @override
   async def generate_content_async(

tests/unittests/models/test_models.py

@@ -46,6 +46,8 @@ def test_match_gemini_family(model_name):
         'claude-3-haiku@20240307',
         'claude-3-opus@20240229',
         'claude-3-sonnet@20240229',
+        'claude-sonnet-4@20250514',
+        'claude-opus-4@20250514',
     ],
 )
 def test_match_claude_family(model_name):