feat: Add Pandas kwargs support for CSV Agent

[Cristhianzl]

#5185

This pull request includes enhancements to the CSVAgentComponent class in the src/backend/base/langflow/components/langchain_utilities/csv.py file, focusing on adding support for Pandas keyword arguments.

Key changes include:

Enhancements to CSVAgentComponent:

• Added DictInput for pandas_kwargs to the inputs list to allow passing Pandas keyword arguments to the agent.
• Updated the build_agent_response method to include pandas_kwargs in the agent's configuration.
• Updated the build_agent method to include pandas_kwargs in the agent's configuration.

Import adjustments:

• Added DictInput import from langflow.inputs.inputs.