feat(patch): support some IO counters on macOS via proc_pid_rusage()

[dimlio]

Description

Support 2 IO counters on macOS: physical bytes read and written as reported by proc_pid_rusage() --https://opensource.apple.com/source/xnu/xnu-7195.141.2/bsd/sys/resource.h.auto.html https://opensource.apple.com/source/xnu/xnu-7195.141.2/libsyscall/wrappers/libproc/libproc.h.auto.html

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

Minimal checklist:

• [x] I have performed a self-review of my own code
• [ ] I have added DocC code-level documentation for any public interfaces exported by the package
• [x] I have added unit and/or integration tests that prove my fix is effective or that my feature works

[codecov[bot]]

Codecov Report

Merging #181 (5b19760) into main (3549c2b) will increase coverage by 0.40%. The diff coverage is 100.00%.

Additional details and impacted files

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[github-actions[bot]]

Pull request benchmark comparison [ubuntu-latest] with 'main' run at 2023-09-07T10:13:33+00:00 Pull request had performance regressions

[hassila]

(also should fix the SwiftLint warnings)