test: verify aurora migration

[CristianAmbrosini]

Test PR to verify the new sc_rds Aurora cluster works correctly on dev18.

[sonar-review-dev18]

Summary

This PR sets up SonarCloud integration for automated code quality scanning. It adds a GitHub Actions workflow that triggers SonarCloud scans on push to main and on all PRs, along with the required sonar-project.properties configuration file. A test file (A.py) with intentional bugs is included to verify the scan detection is working correctly. The calculator module is simplified as part of the test setup.

The "aurora migration" referenced in the description likely refers to verifying that the SonarCloud backend infrastructure (AWS Aurora) is working properly on the dev18 environment.

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

What reviewers should know

Key files to review:

• .github/workflows/sonarcloud.yml — The workflow that enables automated SonarCloud scanning
• sonar-project.properties — Project configuration (Python version 3, scan scope)
• A.py — Contains intentional bugs for verifying SonarCloud detects issues (accessing attributes on potentially None values)

What to look for:

• Verify the SonarCloud token and host URL are being passed correctly from GitHub Secrets
• Check that the scan triggers on the right events (PR opened/synchronized/reopened, push to main)
• The A.py file has deliberate bugs for testing — this is intentional
• The calculator.py simplification is expected as part of the test setup

Potential considerations:

• The .DS_Store file is a macOS system file and may not be needed in version control
• Ensure SonarCloud secrets are properly configured in GitHub repository settings before this PR is merged

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[sonar-review-dev18]

LGTM! ✅

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