Fix bootstrapper not working with kwargs arguments

[SkafteNicki]

What does this PR do?

Fixes #2450

Before submitting

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• Did you make sure to update the docs?
• Did you write any new necessary tests?

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📚 Documentation preview 📚: https://torchmetrics--2503.org.readthedocs.build/en/2503/

[codecov]

Codecov Report

Merging #2503 (003a0b8) into master (9e83421) will decrease coverage by 34%.
Report is 1 commits behind head on master.
The diff coverage is 0%.

Additional details and impacted files

@@           Coverage Diff            @@
##           master   #2503     +/-   ##
========================================
- Coverage      69%     35%    -34%     
========================================
  Files         307     307             
  Lines       17396   17396             
========================================
- Hits        11981    6060   -5921     
- Misses       5415   11336   +5921