sysutils/pfetch: Update to 1.5.0

Changes since 1.4.0:

1.5.0

What's Changed

• Add fallback for when username cannot be determined.
• Fix uptime on some systems without uptime or date.
• Fix corrupt output for systems that don't support uptime.
• Support disk info on Haiku.
• More accurate disk info on IRIX and Digital UNIX.
• Add cpus info for displaying the number of cores.
• Support AIX.

Full Changelog: https://github.com/Un1q32/pfetch/compare/1.4.0...1.5.0