fix: update huggingface example

[rb-determined-ai]

The datasets.load_metric() call has been replaced by evaluate.load().

[netlify]

✅ Deploy Preview for determined-ui canceled.

Name	Link
🔨 Latest commit	1c7e8dd
🔍 Latest deploy log	https://app.netlify.com/sites/determined-ui/deploys/66e313ef12c7fc0008b70f14

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.18%. Comparing base (db2881f) to head (1c7e8dd).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9925   +/-   ##
=======================================
  Coverage   59.18%   59.18%           
=======================================
  Files         751      751           
  Lines      104454   104454           
  Branches     3598     3598           
=======================================
  Hits        61824    61824           
  Misses      42498    42498           
  Partials      132      132           

Flag	Coverage Δ
backend	43.80% <ø> (ø)
harness	72.75% <ø> (ø)
web	54.33% <ø> (ø)

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[rb-determined-ai]

see how huggingface did this migration and how we handle it in our other example

[rb-determined-ai]

The only failed tests are known-broken tests.

The two affected nightly tests both passed.

Force-landing now.