fix: Skip asking GH token for local scans

[o-kopysov]

Pull Request

Description

Fix for the single scan of local files - stop asking GH token.

Type of change

Please delete options that are not relevant.

• [X] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Code cleanup/refactoring
• [ ] Documentation update
• [ ] This change requires a documentation update
• [ ] CI system update
• [ ] Test Coverage update

Testing

Checked locally.

Checklist:

• [X] My code follows the style guidelines of this project
• [X] My code meets the required code coverage for lines (90% and above)
• [X] My code meets the required code coverage for branches (80% and above)
• [X] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [X] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 93.76%. Comparing base (f8b7b1a) to head (5465d21).

Files with missing lines	Patch %	Lines
.../com/lpvs/service/LPVSGitHubConnectionService.java	0.00%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #635 +/- ## ============================================ - Coverage 93.81% 93.76% -0.05% Complexity 628 628 ============================================ Files 52 52 Lines 2150 2150 Branches 251 251 ============================================ - Hits 2017 2016 -1 Misses 58 58 - Partials 75 76 +1 ```

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