Added a timeout for stopping the ClickHouse service in the Debian init script.
Why it matters
To ensure the ClickHouse service stops gracefully within a defined time limit, preventing indefinite hangs during service shutdown and improving reliability during system restarts or shutdowns.How to use it
This feature is applied automatically by updating to the new Debian init script version. Users do not need to change settings manually; the stop timeout is configured within the init script managing the ClickHouse service.