Supress warning for running metric wrapper

[SkafteNicki]

What does this PR do?

Fixes #2264
Because we make use of .reset in the runner wrapper it leads to a warning being raised, but everything is completely fine.
PR fixes this.

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

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.

Did you have fun?

Make sure you had fun coding 🙃

---

📚 Documentation preview 📚: https://torchmetrics--2265.org.readthedocs.build/en/2265/

[codecov]

Codecov Report

Merging #2265 (3d61e23) into master (c5a9a69) will increase coverage by 0%.
The diff coverage is 100%.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #2265   +/-   ##
======================================
  Coverage      87%     87%           
======================================
  Files         294     294           
  Lines       16627   16628    +1     
======================================
+ Hits        14436   14437    +1     
  Misses       2191    2191