multiple: pydantic 2 compatibility, v0.3 (#26443)

Signed-off-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>
Co-authored-by: Dan O'Donovan <dan.odonovan@gmail.com>
Co-authored-by: Tom Daniel Grande <tomdgrande@gmail.com>
Co-authored-by: Grande <Tom.Daniel.Grande@statsbygg.no>
Co-authored-by: Bagatur <baskaryan@gmail.com>
Co-authored-by: ccurme <chester.curme@gmail.com>
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
Co-authored-by: Tomaz Bratanic <bratanic.tomaz@gmail.com>
Co-authored-by: ZhangShenao <15201440436@163.com>
Co-authored-by: Friso H. Kingma <fhkingma@gmail.com>
Co-authored-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Nuno Campos <nuno@langchain.dev>
Co-authored-by: Morgante Pell <morgantep@google.com>

libs/partners/anthropic/langchain_anthropic/output_parsers.py

@@ -4,7 +4,7 @@ from langchain_core.messages import AIMessage, ToolCall
 from langchain_core.messages.tool import tool_call
 from langchain_core.output_parsers import BaseGenerationOutputParser
 from langchain_core.outputs import ChatGeneration, Generation
-from langchain_core.pydantic_v1 import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 
 class ToolsOutputParser(BaseGenerationOutputParser):
@@ -17,8 +17,9 @@ class ToolsOutputParser(BaseGenerationOutputParser):
     pydantic_schemas: Optional[List[Type[BaseModel]]] = None
     """Pydantic schemas to parse tool calls into."""
 
-    class Config:
-        extra = "forbid"
+    model_config = ConfigDict(
+        extra="forbid",
+    )
 
     def parse_result(self, result: List[Generation], *, partial: bool = False) -> Any:
         """Parse a list of candidate model Generations into a specific format.