benchmarks/netperfmeter: Update 2.0.5 => 2.0.8

While here, adjust indentation and pet portclippy.

Changelog:
https://github.com/dreibh/netperfmeter/blob/netperfmeter-2.0.8/ChangeLog

Commit log:
https://github.com/dreibh/netperfmeter/compare/netperfmeter-2.0.5...netperfmeter-2.0.8

PR: 296461
Approved by: osa, vvd (Mentors, implicit)