fix(anthropic): update ChatAnthropic model in tests/doc

from `'claude-3-5-sonnet-latest'` to `'claude-3-5-haiku-latest'`

Author: mdrxy

libs/partners/anthropic/langchain_anthropic/chat_models.py

@@ -1128,7 +1128,7 @@ def get_weather(location: str) -> str:
 
                 from langchain_anthropic import ChatAnthropic
 
-                llm = ChatAnthropic(model="claude-3-5-sonnet-latest")
+                llm = ChatAnthropic(model="claude-3-5-haiku-latest")
 
                 tool = {"type": "web_search_20250305", "name": "web_search", "max_uses": 3}
                 llm_with_tools = llm.bind_tools([tool])

libs/partners/anthropic/tests/cassettes/test_web_search.yaml.gz

@@ -895,13 +895,13 @@ class color_picker(BaseModel):
             ],
         ),
     ]
-    llm = ChatAnthropic(model="claude-3-5-sonnet-latest")  # type: ignore[call-arg]
+    llm = ChatAnthropic(model="claude-3-5-haiku-latest")  # type: ignore[call-arg]
     llm.bind_tools([color_picker]).invoke(messages)
 
 
 @pytest.mark.vcr
 def test_web_search() -> None:
-    llm = ChatAnthropic(model="claude-3-5-sonnet-latest")  # type: ignore[call-arg]
+    llm = ChatAnthropic(model="claude-3-5-haiku-latest")  # type: ignore[call-arg]
 
     tool = {"type": "web_search_20250305", "name": "web_search", "max_uses": 1}
     llm_with_tools = llm.bind_tools([tool])