v0.8.19-nightly

What's Changed

Exciting New Features ✨

• feat(storage): support huaweicloud obs as storage by @eastfisher in #7365
• feat(query): add Timestamp type to new expression framework by @andylokandy in #7393
• feat(query): alter table recluster by @zhyass in #7400

Code Refactor 🎉

• refactor(async_insert): eliminate circular references by @zhang2014 in #7411
• refactor: enable file meta data cache by @dantengsky in #7386

Documentation 📔

• docs: release 0.8 by @soyeric128 in #7408

Full Changelog: v0.8.18-nightly...v0.8.19-nightly