v0.8.64-nightly

What's Changed

Exciting New Features ✨

• feat(meta/service): cleanup replication to learner when a node leaves the cluster by @drmingdrmer in #8052

Code Refactor 🎉

• refactor(meta/service): structured snapshot id by @drmingdrmer in #8050

Full Changelog: v0.8.63-nightly...v0.8.64-nightly