v1.2.627-nightly

What's Changed

Exciting New Features ✨

• feat(query): add plan cache by @sundy-li in #16333
• feat: login and renew return session_token_validity_in_secs too. by @youngsofun in #16313

Thoughtful Bug Fix 🔧

• fix: reduce sample possibility to avoid flaky test by @xudong963 in #16330
• fix(query): fix IFNULL by @sundy-li in #16339
• fix(query): fix wrong result for join system tables in cluster mode by @zhang2014 in #16342

Code Refactor 🎉

• refactor: Catalog Manager API improvements for create and drop operations by @drmingdrmer in #16338

Full Changelog: v1.2.626-nightly...v1.2.627-nightly