elasticsearch[patch], community[patch]: update references, deprecate community classes (#18506)

Follow up on https://github.com/langchain-ai/langchain/pull/17467.

- Update all references to the Elasticsearch classes to use the partners
package.
- Deprecate community classes.

---------

Co-authored-by: Bagatur <baskaryan@gmail.com>

templates/rag-elasticsearch/rag_elasticsearch/chain.py

@@ -3,12 +3,12 @@ from typing import List, Optional, Tuple
 
 from langchain_community.chat_models import ChatOpenAI
 from langchain_community.embeddings import HuggingFaceEmbeddings
-from langchain_community.vectorstores.elasticsearch import ElasticsearchStore
 from langchain_core.messages import BaseMessage
 from langchain_core.output_parsers import StrOutputParser
 from langchain_core.prompts import format_document
 from langchain_core.pydantic_v1 import BaseModel, Field
 from langchain_core.runnables import RunnableParallel, RunnablePassthrough
+from langchain_elasticsearch import ElasticsearchStore
 
 from .connection import es_connection_details
 from .prompts import CONDENSE_QUESTION_PROMPT, DOCUMENT_PROMPT, LLM_CONTEXT_PROMPT