Update gitleaks report to sarif format

[elvin03]

Merge Checklist

All boxes should be checked before merging the PR

• The changes in the PR have been built and tested
• Documentation has been updated to reflect the changes (or no doc update needed)
• Ready to merge

Description

Update gitleaks report to sarif format

Any Newly Introduced Dependencies

How Has This Been Tested?

Trigger gitleaks workflow

[github-advanced-security]

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[Copilot]

Pull request overview

Updates the repository’s Gitleaks GitHub Actions workflow to generate SARIF output and upload results to GitHub code scanning (Security tab).

Changes:

• Adds security-events: write (and actions: read) permissions to the Gitleaks workflow.
• Switches Gitleaks report format from csv to sarif.
• Updates the workflow input path from a .csv file to a .sarif file.