v1.2.846-nightly

What's Changed

Thoughtful Bug Fix 🔧

• fix: Block::to_record_batch fail when a column is array of NULLs. by @youngsofun in #18989
• fix: desc password policy column types must match schema types. by @youngsofun in #18990

Code Refactor 🎉

• refactor(query): pass timezone by reference to avoid Arc churn by @TCeason in #18998
• refactor(query): remove potential performance hotspots caused by fetch_add by @zhang2014 in #18995

Others 📒

• chore(query): Accelerate vector index quantization score calculation with SIMD by @b41sh in #18957
• chore(query): clamp timestamps to jiff range before timezone conversion by @TCeason in #18996

Full Changelog: v1.2.845-nightly...v1.2.846-nightly