Add ExplicitImports pre-commit hook

[abelsiqueira]

Manually add an ExplicitImports pre-commit hook.

Related issues

Closes #217 Closes #349

Checklist

• [x] I am following the contributing guidelines
• [ ] Tests are passing
• [ ] Lint workflow is passing
• [ ] Docs were updated and workflow is passing
• [ ] CHANGELOG.md was updated

[codecov[bot]]

Codecov Report

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

Project coverage is 100.00%. Comparing base (2b95a78) to head (cdcc7a8). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #472 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 4 4 Lines 99 99 ========================================= Hits 99 99 ```

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