chore: update tool versions to latest

[github-actions]

🔄 Automated Version Update

This PR updates the hardcoded versions for clang-format and clang-tidy tools to the latest available versions from PyPI.

📦 Updated Versions

• clang-format: 21.1.5
• clang-tidy: 21.1.1

🤖 Automation Details

• This update was triggered automatically by the scheduled workflow
• Versions are fetched from the official PyPI APIs
• Only stable versions (no pre-releases) are included

✅ What's Changed

• Updated cpp_linter_hooks/versions.py with latest tool versions
• No breaking changes expected
• Maintains backward compatibility

🔍 Review Checklist

• Verify the new versions are stable releases
• Check that no pre-release versions were included
• Confirm the version format matches expectations

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This PR was created automatically by the update-versions.yml workflow.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud