Verify GitHub workflow token permissions compliance with OpenSSF Scorecard

[Copilot]

Analysis of GitHub Workflow Token Permissions

This PR addresses the OpenSSF Scorecard Token-Permissions requirements by analyzing all GitHub workflow files in the repository.

Key Findings:

• ✅ All 9 workflow files already have proper root-level permissions configured
• ✅ All workflows use permissions: contents: read at the root level
• ✅ Jobs requiring additional permissions have appropriate job-level permissions

Workflow Files Analyzed:

• .github/workflows/benchmark.yml - ✅ Has contents: read + job-level pull-requests: write
• .github/workflows/ci.yml - ✅ Has contents: read
• .github/workflows/codeql-analysis.yml - ✅ Has contents: read + job-level security-events: write
• .github/workflows/fossa.yml - ✅ Has contents: read
• .github/workflows/integration_tests.yml - ✅ Has contents: read
• .github/workflows/markdown-link-check.yml - ✅ Has contents: read
• .github/workflows/ossf-scorecard.yml - ✅ Has contents: read + job-level security-events: write + id-token: write
• .github/workflows/pr_naming.yml - ✅ Has contents: read
• .github/workflows/semver.yml - ✅ Has contents: read

Verification Results:

Total files checked: 9
✅ Passed: 9
⚠️  Warnings: 0
❌ Errors: 0

🎉 All workflow files have proper root-level permissions!

Conclusion:
No changes are required. All GitHub workflow files already have the minimum required token permissions properly configured according to OpenSSF Scorecard recommendations. The repository is fully compliant with security best practices for GitHub Actions token permissions.

Fixes #19.

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