Update to Substrait v0.93.0

[nielspardon]

Release Notes

0.93.0 (2026-06-07)

⚠ BREAKING CHANGES

• protos: removes deprecated Expression.Enum message
• protos: removed args field from ScalarFunction
• protos: removed args field from AggregateFunction
• protos: removed args field from WindowFunction

Features

• protos: remove deprecated args fields (#1085) (d90dfcb)
• protos: remove deprecated Expression.Enum message (#1086) (f149482)

See https://github.com/substrait-io/substrait/releases/tag/v0.93.0