chore: upgrade husky config to v9

[ripecosta]

Why am I submitting this PR

Upgrade husky config to v9. V9 was already in use but still using the legacy config method. Also replaces the npx commands with yarn commands because there's not need to use npx since yarn already installs lint-staged.

Does it fix an existing ticket?

No

Checklist

• [x] only relevant code is changed (make a diff before you submit the PR)
• [x] tests are included and pass: yarn test (see details here)
• [x] documentation is changed or added

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.35%. Comparing base (168c8d5) to head (5d8c198). Report is 71 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1054 +/- ## ========================================== - Coverage 95.40% 95.35% -0.05% ========================================== Files 11 10 -1 Lines 1937 1918 -19 ========================================== - Hits 1848 1829 -19 Misses 89 89 ```

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[ripecosta]

Rebased the PR to fix merge conflicts and it's ready to go now.

CC: @karellm

[karellm]

You bit to it, thanks!