bump: add testing with future torch~2.4

[Borda]

What does this PR do?

Bump based on recently cut future release pytorch/pytorch#128436

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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--2609.org.readthedocs.build/en/2609/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69%. Comparing base (636496b) to head (69e2daf).
Report is 2 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #2609   +/-   ##
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  Coverage      69%     69%           
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  Files         314     314           
  Lines       17709   17709           
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  Hits        12200   12200           
  Misses       5509    5509