Fix: update metrics repo name

[lwasser]

This is a tiny update to ensure the workflow finds our metrics repo (which used to be named peer-review-metrics)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.38%. Comparing base (1a5ceee) to head (fefed52).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #293   +/-   ##
=======================================
  Coverage   80.38%   80.38%           
=======================================
  Files          11       11           
  Lines         724      724           
  Branches       92       92           
=======================================
  Hits          582      582           
  Misses        132      132           
  Partials       10       10           

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