v11.3.0

What's Changed

• post-voting env triad value set serialization by @turbomam in #280
• Notebooks for Water environmental context value sets by @turbomam in #283
• Ensure all examples in schema validate by @pkalita-lbl in #284
• Bump nmdc-schema version from 11.3.0rc1 to 11.3.0 by @eecavanna in #293

Full Changelog: v11.2.0...v11.3.0