update measured with some more convenient features

[conradludgate]

Problem

Some awkwardness in the measured API.
Missing process metrics.

Summary of changes

Update measured to use the new convenience setup features.
Added measured-process lib.
Added measured support for libmetrics

Checklist before requesting a review

• I have performed a self-review of my code.
• If it is a core feature, I have added thorough tests.
• Do we need to implement analytics? if so did you add the relevant metrics to the dashboard?
• If this PR requires public announcement, mark it with /release-notes label and add several sentences in this section.

Checklist before merging

• Do not forget to reformat commit message to not include the above checklist

[github-actions]

2754 tests run: 2636 passed, 0 failed, 118 skipped (full report)

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Code coverage* (full report)

• functions: 28.1% (6424 of 22882 functions)
• lines: 46.8% (45086 of 96323 lines)

* collected from Rust tests only

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_{The comment gets automatically updated with the latest test results
d5b62e8 at 2024-04-08T18:14:48.957Z :recycle:}

[VladLazar]

Very nice! Thank you, Conrad - hakari seems somewhat unhappy though