Refresh sysinfo CPU

[Frederick888]

Description

Without this now sysinfo sys.processors().len() returns 0, and makes a lot of CPU usages in process list inf%.

Issue

N/A

Testing

If relevant, please state how this was tested. All changes must be tested to work:

Please also indicate which platforms were tested. All platforms directly affected by the change must be tested:

• Windows
• macOS
• Linux

Checklist

If relevant, ensure the following have been met:

• Areas your change affects have been linted using rustfmt (cargo fmt)
• The change has been tested and doesn't appear to cause any unintended breakage
• Documentation has been added/updated if needed (README.md, help menu, etc.)
• The pull request passes the provided CI pipeline
• There are no merge conflicts

[ClementTsang]

LGTM, thanks for catching this.