feat(connector): add minio file scan type and enhance test

[wcy-fdu]

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What's changed and what's your intention?

Previously, file_scan only supported reading Parquet files on S3 and had no test coverage. This PR adds support for file_scan(parquet, minio, ...) and includes file scan test in the file source tests of the main cron job. Since MinIO is S3-compatible, it requires nearly the same parameters as S3, with the only difference being the need for a special endpoint setting when building the operator. Therefore, this PR reuses the existing file scan node.

Note: File scan from MinIO is currently for testing purposes only.

Later, we will also add file_scan(parquet, gcs), and there may be a new plan node for that; we'll address that in subsequent PRs.

Checklist

• I have written necessary rustdoc comments.
• I have added necessary unit tests and integration tests.
• I have added test labels as necessary.
• I have added fuzzing tests or opened an issue to track them.
• My PR contains breaking changes.
• My PR changes performance-critical code, so I will run (micro) benchmarks and present the results.
• My PR contains critical fixes that are necessary to be merged into the latest release.

Documentation

• My PR needs documentation updates.

Release note

[chenzl25]

Here is the executor. I think it's better to put this logic at src/frontend/src/optimizer/rule/table_function_to_file_scan_rule.rs