v0.29.0

What's Changed

• add test to validate cmd and fix regression by @miparnisari in #494
• fix positioning of error when schema isn't first section by @miparnisari in #495
• fix flakey validate test by @miparnisari in #497
• add unit tests to preview schema command by @miparnisari in #496
• add client-wide retries by @vroldanbet in #498
• print usage only on parse/validation errors by @vroldanbet in #493

Full Changelog: v0.28.0...v0.29.0