v0.8.68-nightly

What's Changed

Exciting New Features ✨

• feat(expression): numeric/string can cast to boolean when it's in filter by @sundy-li in #8051
• feat(planner): Top-down optimization by @leiysky in #8080

Thoughtful Bug Fix 🔧

• fix(processor): support interrupt join build side by @zhang2014 in #8037
• fix(query): fix variant memory test by @b41sh in #8110

Full Changelog: v0.8.67-nightly...v0.8.68-nightly