ruff: ANN - static annotations

[Borda]

What does this PR do?

enable ruff static annotation check

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 🙃

[codecov]

Codecov Report

Merging #1615 (928b1ca) into master (087522b) will increase coverage by 0%.
The diff coverage is 100%.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #1615   +/-   ##
======================================
  Coverage      88%     88%           
======================================
  Files         226     226           
  Lines       12078   12089   +11     
======================================
+ Hits        10678   10689   +11     
  Misses       1400    1400