Replace setproctitle dependency

[markypizz]

[Edited]

Description

Replace setproctitle dependency with our own small helper

Verification

Passing CI, observed proc title change when running modeld, (see #32666 (comment))

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[adeebshihadeh]

Welcome, and yeah this is the right general direction.

Tests are failing because there's still a setproctitle import. CI green check mark + verify the title shows up in htop is enough validation for this change

[markypizz]

Addresses #32660 . Let me know of anything else to change. Thanks!

openpilot-py3.11vscode ➜ /workspaces/ubuntu $ ps -a
    PID TTY          TIME CMD
  37224 pts/0    00:00:01 poetry
  49515 pts/1    00:00:15 loggerd
  49533 pts/1    00:00:15 loggerd
  95648 pts/1    00:00:00 python3
 103095 pts/1    00:00:00 selfdrive.model
 103204 pts/7    00:00:00 ps

[adeebshihadeh]

Doesn't seem to work with htop still.

[adeebshihadeh]

Ended up merging #32667 since it made the agnos-builder PR and had a test.