v1.2.844-nightly

What's Changed

Others 📒

• chore: adjust the storage method of timestamp_tz so that the timestamp value is retrieved directly. by @KKould in #18974
• chore: add more logs to cover aggregate spill by @dqhl76 in #18980
• chore(query): Virtual column support external table by @b41sh in #18981

Full Changelog: v1.2.843-nightly...v1.2.844-nightly