Liang

feat(meta): meta push version deltas to CN

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I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? meta push version deltas to CN this PR follows...

fix(compaction group): check existence of given compaction group id b…

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…efore hummock manager operations I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? check existence of given compaction...