security/netbird: Update 0.46.0 => 0.47.2

Changelogs:
https://github.com/netbirdio/netbird/releases/tag/v0.47.0
https://github.com/netbirdio/netbird/releases/tag/v0.47.1
https://github.com/netbirdio/netbird/releases/tag/v0.47.2

Improve rc script: honor $PREFIX, parameterize some file paths and add
description for parameters.

PR: 287622 286830
Co-authored-by: Chad Jacob Milios <milios@ccsys.com>