v4.15.0

• feat: Memory management: DWH streaming reads, copy-free value sizing & memory_container harness (#2757) (220b348) @Niels-b
• fix: Apply check-level filter to failed_rows expression checks (#2761) (ef831e5) @Niels-b
• fix: YAML-aware SQL snapshot comparison (#2731) (1c1fa7d) @Niels-b
• chore: Fix Soda PyPI --skip-existing + single approval gate (#2759) (0e5aea3) @paulteehan
• chore: Add publish-from-tag workflow for PyPI (#2758) (1cd3557) @paulteehan