Add Parquet Export Format to `lino pull` Command

[youen]

To enhance performance and reduce storage requirements, this sub-task involves adding support for exporting data in Parquet format as part of the lino pull command. (#309)

Tasks:

• Integrate a library for Parquet serialization within the lino tool.
• Implement logic to export the pulled data in Parquet format.
• Add a --format parquet option to the lino pull command.
• Ensure compatibility with existing flags and options in lino pull.
• Write unit and integration tests to validate Parquet export functionality.
• Update the documentation to include usage examples for Parquet format.

Acceptance Criteria:

• The lino pull command exports data in Parquet format.
• The Parquet export is compatible with relevant lino pull flags and options.
• Documentation is updated with examples of Parquet format usage.