Backport to branch(3) : Add deprecated Data Loader CLI arguments

[feeblefakie]

This is an automated backport of the following:

• Original PR: Add deprecated Data Loader CLI arguments #3041
• Backported commit: 7a43860

Please merge this PR after all checks have passed.

[gemini-code-assist]

Summary of Changes

Hello @feeblefakie, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request is an automated backport that integrates support for deprecated command-line interface arguments into the Data Loader. The primary goal is to maintain backward compatibility, allowing older CLI commands to function while guiding users towards newer, more explicit options. It includes robust validation to prevent conflicting argument usage and logic to correctly interpret and apply values from deprecated options when they are exclusively used.

Highlights

• Deprecated CLI Argument Support: The Data Loader CLI now supports deprecated arguments for both export and import commands, ensuring backward compatibility for existing scripts and workflows.
• Conflict Validation: A new validation mechanism has been implemented to prevent users from specifying both a deprecated argument and its modern replacement simultaneously, throwing an error to avoid ambiguous behavior.
• Automatic Value Application: When only deprecated arguments are provided, their values are automatically applied to the corresponding new options, including inverted logic for 'exclusive' vs 'inclusive' scan boundaries.
• Enhanced Test Coverage: New unit tests have been added to thoroughly verify the correct handling, validation, and application of both deprecated and new command-line options.

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[gemini-code-assist]

Code Review

This pull request is a backport that adds support for deprecated CLI arguments in the Data Loader to maintain backward compatibility. The changes are well-executed, introducing new options while hiding the old ones, and implementing validation to prevent their simultaneous use. The logic for handling deprecated arguments is correctly implemented and functions as intended. The new functionality is thoroughly covered by unit tests, which validate both the error conditions and the correct application of deprecated option values. The code is clean and adheres to best practices for CLI argument handling with picocli. Overall, the changes are solid and I have no specific feedback for improvement.