Add pool-settings so I'm able to change the maximum lifetime and stop the spam messages like
[22:54:33 WARN]: [net.coreprotect.hikari.pool.PoolBase] HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@237e1fbb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
I know this is already possible since luck perms have this on its config file or maybe just a toggle to stop the warning messages. Thank you!

duplicate of #199

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