Migrates existing heim-based disk data collection code off of it to either sysinfo or vendored code based on heim/sysinfo/other sources. This also allows us to remove heim completely from bottom.

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* refactor: fix some refresh code

* remove async from the freebsd code

* some file/implementation organization

Turns out sysinfo lacks a lot of data I need. I can still use it for the
Windows disk usage implementation, but I'm probably going to manually
implement macos/linux usage and all io usage stats.

* more restructuring

* Some other fixes

* remove futures

* ready for some big changes?

* big changes

* linux io + reads

* use lossy conversion for mount point

* add windows refresh

* so long heim, and thanks for all the fish

* fix filter behaviour, remove string allocation when reading lines

* rename unix -> system for more accurate file struct representation

* fix freebsd

* port generic unix partition code

* add bindings and fix errors

* finish macOS bindings for I/O

* disable conform check, this seems to... make disk I/O work on macOS?????

* fix linux

* add safety comments

* more comments

* update changelog

* changelog

* We're going full 0.9.0 for this

* update lock

* fix some typing

* bleh

* some file management

* hoist out get_disk_usage

* fix some stuff for Windows

* typing and remove dead code allow lint

* unify typing

* fix

* fix 2

* macOS fix

* Add bindings file for windows

* add windows implementation

* fix macos