Guess more when applying the package

[abelsiqueira]

• Add keyword guess to apply and more tests on guessing
• Guess JuliaMinVersion when applying the template
• Guess PackageOwner when applying the template
• Guess Indentation when applying the template

Related issues

Part of #225

Checklist

• [x] I am following the contributing guidelines

• [x] Tests are passing

• [x] Lint workflow is passing

• [x] Docs were updated and workflow is passing

• [x] 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 (50a3d1a) to head (c28017f).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #410 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 4 4 Lines 81 104 +23 ========================================= + Hits 81 104 +23 ```

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