tests: ignore::FutureWarning...

[Borda]

What does this PR do?

This will reduce the testing long (5k warning) by 20k lines with ignoring third-party Future warnings, mainly. coming from reference metrics computations

also not running unitest with verbose since in parallel, it does not easily show if any previous tests failed compared to test running in sequence the last result color is aggregation of all previous

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

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📚 Documentation preview 📚: https://torchmetrics--2448.org.readthedocs.build/en/2448/

[codecov]

Codecov Report

Merging #2448 (b74fa81) into master (4ed43e6) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #2448   +/-   ##
======================================
  Coverage      69%     69%           
======================================
  Files         307     307           
  Lines       17363   17363           
======================================
  Hits        11961   11961           
  Misses       5402    5402