v.21.9Improvement

Updated protobuf to version 3.17.3

Official CH changelog text
Updated protobuf to 3.17.3. Changelogs are available on https://github.com/protocolbuffers/protobuf/releases. #26424 (Ilya Yatsishin).
Updated Protocol Buffers dependency to version 3.17.3 in ClickHouse.

Why it matters

This update ensures ClickHouse uses the latest stable features, bug fixes, and performance improvements from Protocol Buffers 3.17.3, enhancing reliability and compatibility for users relying on protobuf-based functionality.

How to use it

Users benefit from this update automatically by upgrading to the ClickHouse version including this change. No additional configuration is required.

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