refactor: modify web search agent by adding Bing search

[SyHeee]

Create Bing search API here https://portal.azure.com/#create/microsoft.bingsearch

[TataKKKL]

could you show me the result of using this web search sub agent, in retrieval agent and main agent?

https://github.com/PathOnAI/LiteMultiAgent/blob/main/code/retrieval_agent.py#L111

and

https://github.com/PathOnAI/LiteMultiAgent/blob/main/code/main.py#L233

[SyHeee]

could you show me the result of using this web search sub agent, in retrieval agent and main agent?

https://github.com/PathOnAI/LiteMultiAgent/blob/main/code/retrieval_agent.py#L111

and

https://github.com/PathOnAI/LiteMultiAgent/
Please find the log produced by retrieval_agent.py and main.py. Both ran through with the updated web search agent.
log_retrieval_agent.txt
main_log.txt
blob/main/code/main.py#L233

[TataKKKL]

If tavily and multion are removed, remove them from env.example as well

[TataKKKL]

update requirements.txt as well, if we remove the langchain_community dependency