clisqlclient: trim down dependencies

[knz]

Needed for #67470

• stop using tree.ParseDInterval to interpret the results of SHOW LAST QUERY STATISTICS. Instead, use a lightweight parser local to the SQL shell.
• stop using tree.Name to quote the database name. Use the underlying function from the lex package directly (which is lightweight)
• stop using roachpb.NodeID and use int32 instead.
• extract security.PromptForPassword() into a lightweight dependency package and use that instead of security #67481
• remove the dependency on parser.HasMultipleStatements (needs parser: move scan.go to new scanner package  #67584 first)

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