Use ARC V2 self-hosted runners for CPU jobs

[jjacobelli]

This PR is updating the runner labels to use ARC V2 self-hosted runners for CPU jobs only. This is needed to resolve the auto-scalling issues.

[codecov]

Codecov Report

Merging #302 (fd6c897) into branch-23.07 (a7a2d1d) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@              Coverage Diff              @@
##           branch-23.07     #302   +/-   ##
=============================================
  Coverage         73.30%   73.30%           
=============================================
  Files               390      390           
  Lines             13353    13353           
  Branches           1006     1006           
=============================================
  Hits               9789     9789           
  Misses             3564     3564           

Flag	Coverage Δ
cpp	69.13% <ø> (-0.01%)	⬇️
py	42.21% <ø> (ø)

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[dagardner-nv]

/merge