Build(deps): Bump sqlglot from 21.1.2 to 21.2.0

Bumps sqlglot from 21.1.2 to 21.2.0.

Changelog

Sourced from sqlglot's changelog.

[v21.2.0] - 2024-02-22

💥 BREAKING CHANGES

• due to 2940417 - simplify ADD CONSTRAINT handling (PR #2990 by @​georgesittas):

  simplify ADD CONSTRAINT handling (#2990)

✨ New Features

• 7c48079 - support parameters in BigQuery / DuckDB (PR #2991 by @​r1b)
• b7c2744 - tests: update test_executor with tpc-ds (PR #2983 by @​fool1280)
• c433cad - allow more leniant bigquery wildcard parsing (PR #2998 by @​tobymao)
• 8607247 - support LEFT JOIN UNNEST in duckdb (PR #2999 by @​r1b)
• 64e38ed - add support for more Snowflake SHOW commands (PR #3002 by @​DanCardin)

🐛 Bug Fixes

• bc18f56 - optimizer: don't coerce nested arg types in annotate_by_args (PR #2997 by @​georgesittas)
  • ↘ fixes issue #2152 opened by @​plaflamme
• ccd8cc0 - doris to_char closes #3001 (commit by @​tobymao)

♻ Refactors

• 2940417 - simplify ADD CONSTRAINT handling (PR #2990 by @​georgesittas)
• d2711f7 - clean up duplicative placeholder_sql implementations (PR #2993 by @​georgesittas)

🔧 Chores

• 53efb58 - cleanup tests (commit by @​tobymao)

Commits

• 541e6de Split snowflake show tests into multiple methods
• c0567d3 Fix snowflake tests
• 64e38ed Feat: add support for more Snowflake SHOW commands (#3002)
• ccd8cc0 fix: doris to_char closes #3001
• 53efb58 chore: cleanup tests
• 8607247 Feat: support LEFT JOIN UNNEST in duckdb (#2999)
• c433cad feat: allow more leniant bigquery wildcard parsing (#2998)
• bc18f56 Fix(optimizer): don't coerce nested arg types in annotate_by_args (#2997)
• b7c2744 Feat(tests): update test_executor with tpc-ds (#2983)
• d2711f7 Refactor: clean up duplicative placeholder_sql implementations (#2993)
• Additional commits viewable in compare view