Expose MemCommit info for Windows

[n4nn31355]

Is your feature request related to a problem? Please describe.
Windows basically doesn't allow to overcommit memory, and applications most times start to fail when there is enough physical memory available, so this is a critical metric for the platform.

Describe the solution you'd like
Expose CommitTotal and CommitLimit metrics.
It probably makes sense to also expose ullTotalPageFile and ullAvailPageFile, but I am less concerned about that.
This data is already being requested from the system, but not exposed.

Describe alternatives you've considered
[A clear and concise description of any alternative solutions or features you've considered.]

Additional context
Example of the difference between Used/Commited memory in Windows Task Manager:

Stats doc:
https://learn.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-performance_information#members
https://learn.microsoft.com/en-us/windows/win32/memory/memory-performance-information#system-memory-performance-information