Incorrect Help output for `--output` in `powerpipe benchmark run`

[pskrbasu]

Incorrect help message for --output flag in powerpipe benchmark/control. Should be same as export.

powerpipe benchmark run --help
--output output Output format; one of: snapshot, pps, none (default text)

powerpipe control run --help
--output output Output format; one of: snapshot, pps, none (default text)

export help message:
--export strings Export output to file, supported formats: csv, html, json, md, nunit3, sps (snapshot), asff
(also check sps, should be pps)