chore: Update Langchain to 0.3

packages/@n8n/nodes-langchain/nodes/agents/Agent/Agent.node.ts

@@ -85,7 +85,6 @@ function getInputs(
 						'@n8n/n8n-nodes-langchain.lmChatGroq',
 						'@n8n/n8n-nodes-langchain.lmChatOllama',
 						'@n8n/n8n-nodes-langchain.lmChatOpenAi',
-						'@n8n/n8n-nodes-langchain.lmChatGooglePalm',
 						'@n8n/n8n-nodes-langchain.lmChatGoogleGemini',
 						'@n8n/n8n-nodes-langchain.lmChatGoogleVertex',
 						'@n8n/n8n-nodes-langchain.lmChatMistralCloud',
@@ -111,11 +110,13 @@ function getInputs(
 					nodes: [
 						'@n8n/n8n-nodes-langchain.lmChatAnthropic',
 						'@n8n/n8n-nodes-langchain.lmChatAzureOpenAi',
+						'@n8n/n8n-nodes-langchain.lmChatAwsBedrock',
 						'@n8n/n8n-nodes-langchain.lmChatMistralCloud',
 						'@n8n/n8n-nodes-langchain.lmChatOllama',
 						'@n8n/n8n-nodes-langchain.lmChatOpenAi',
 						'@n8n/n8n-nodes-langchain.lmChatGroq',
 						'@n8n/n8n-nodes-langchain.lmChatGoogleVertex',
+						'@n8n/n8n-nodes-langchain.lmChatGoogleGemini',
 					],
 				},
 			},

packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsAwsBedrock/EmbeddingsAwsBedrock.node.ts

@@ -1,12 +1,12 @@
 /* eslint-disable n8n-nodes-base/node-dirname-against-convention */
+import { BedrockEmbeddings } from '@langchain/aws';
 import {
 	NodeConnectionType,
 	type IExecuteFunctions,
 	type INodeType,
 	type INodeTypeDescription,
 	type SupplyData,
 } from 'n8n-workflow';
-import { BedrockEmbeddings } from '@langchain/community/embeddings/bedrock';
 
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';

packages/@n8n/nodes-langchain/nodes/llms/LmChatAwsBedrock/LmChatAwsBedrock.node.ts

@@ -1,18 +1,14 @@
 /* eslint-disable n8n-nodes-base/node-dirname-against-convention */
+import { ChatBedrockConverse } from '@langchain/aws';
 import {
 	NodeConnectionType,
 	type IExecuteFunctions,
 	type INodeType,
 	type INodeTypeDescription,
 	type SupplyData,
 } from 'n8n-workflow';
-import { BedrockChat } from '@langchain/community/chat_models/bedrock';
+
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
-// Dependencies needed underneath the hood. We add them
-// here only to track where what dependency is used
-import '@aws-sdk/credential-provider-node';
-import '@aws-sdk/client-bedrock-runtime';
-import '@aws-sdk/client-sso-oidc';
 import { N8nLlmTracing } from '../N8nLlmTracing';
 
 export class LmChatAwsBedrock implements INodeType {
@@ -144,7 +140,7 @@ export class LmChatAwsBedrock implements INodeType {
 			maxTokensToSample: number;
 		};
 
-		const model = new BedrockChat({
+		const model = new ChatBedrockConverse({
 			region: credentials.region as string,
 			model: modelName,
 			temperature: options.temperature,