feat: Bump langchain dependencies to 1.0.x (#810)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: aaronsteers

airbyte_cdk/destinations/vector_db_based/document_processor.py

@@ -8,9 +8,9 @@
 from typing import Any, Dict, List, Mapping, Optional, Tuple
 
 import dpath
-from langchain.text_splitter import Language, RecursiveCharacterTextSplitter
-from langchain.utils import stringify_dict
 from langchain_core.documents.base import Document
+from langchain_core.utils.strings import stringify_dict
+from langchain_text_splitters import Language, RecursiveCharacterTextSplitter
 
 from airbyte_cdk.destinations.vector_db_based.config import (
     ProcessingConfigModel,

airbyte_cdk/destinations/vector_db_based/embedder.py

@@ -7,10 +7,12 @@
 from dataclasses import dataclass
 from typing import List, Optional, Union, cast
 
-from langchain.embeddings.cohere import CohereEmbeddings
-from langchain.embeddings.fake import FakeEmbeddings
-from langchain.embeddings.localai import LocalAIEmbeddings
-from langchain.embeddings.openai import OpenAIEmbeddings
+from langchain_community.embeddings import (
+    CohereEmbeddings,
+    FakeEmbeddings,
+    LocalAIEmbeddings,
+    OpenAIEmbeddings,
+)
 
 from airbyte_cdk.destinations.vector_db_based.config import (
     AzureOpenAIEmbeddingConfigModel,
@@ -140,7 +142,9 @@ def __init__(self, config: CohereEmbeddingConfigModel):
         super().__init__()
         # Client is set internally
         self.embeddings = CohereEmbeddings(
-            cohere_api_key=config.cohere_key, model="embed-english-light-v2.0"
+            cohere_api_key=config.cohere_key,
+            model="embed-english-light-v2.0",
+            user_agent="airbyte-cdk",
         )  # type: ignore
 
     def check(self) -> Optional[str]: