Add clickhouse-diagnostics binary to packages

Why it matters

The clickhouse-diagnostics tool provides diagnostics capabilities for ClickHouse, enabling users to gather system and configuration data to facilitate troubleshooting and performance analysis. Including this binary in the packages simplifies access to diagnostics without separate installation steps.

How to use it

After installing or upgrading to the ClickHouse version including the clickhouse-diagnostics binary, users can run the tool directly from their system command line by executing clickhouse-diagnostics. This allows collecting relevant diagnostic information for support or analysis.