Sanitize not exposed

Please describe the issue in detail. If this is a question about how to use pgx please use discussions instead.

Is there a reason why none of the relevant sanitize methods aren't exposed? I'd like to use pgxs argument binding and just print the query or just have the SanitizeSql method exposed.

The issue names no files or tests; start by locating pgx's existing sanitize methods and argument-binding entry points. Determine whether exposing sanitization or SQL rendering is an appropriate public API, then verify the chosen behavior with tests covering bound arguments and rendered queries.

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