[code-update-service] Running code-update job: enable-coverage-python

[code-update-service]

🤖 This PR was raised by the code-update-service! 🤖.

This code update job enables Python code coverage reporting with SonarQube across repositories.
It will:

• Update GitHub Actions workflows to generate coverage reports
• Add coverage directory to .gitignore
• Add documentation for generating coverage reports locally
• Configure or relocate SonarQube job to run after tests and consume the coverage reports
  Changes are generated by claude-code.

⚙️ Workflow run: code-update-service#23225647505

[platon-github-app-production]

Comment /request-review to automatically request reviews from the following teams:

• observability: notifications will be sent to #observability

You can also request review from a specific team by commenting /request-review team-name, or you can add a description with --notes "<message>"

💡 If you see something that doesn't look right, check the configuration guide.