Fix: Use tuple for multidimensional indexing in distributed.py

[VijayVignesh1]

What does this PR do?

Fixes #3275

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

PR review

Fixes UserWarning raised when using non-tuple sequence for multidimensional indexing.

Previously:

gathered_result[idx] = gathered_result[idx][slice_param]

Now:

gathered_result[idx] = gathered_result[idx][tuple(slice_param)]

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in Github issues there's a high chance it will not be merged.

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📚 Documentation preview 📚: https://torchmetrics--3277.org.readthedocs.build/en/3277/

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 37%. Comparing base (122a852) to head (9d85be2).

❌ Your project check has failed because the head coverage (37%) is below the target coverage (95%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #3277    +/-   ##
=======================================
- Coverage      37%     37%    -1%     
=======================================
  Files         364     349    -15     
  Lines       20096   19901   -195     
=======================================
- Hits         7520    7326   -194     
+ Misses      12576   12575     -1     

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[rittik9]

LGTM