feat(BA-435): Implement AbusingReportConfig GQL

[jopemachine]

Aims to resolve #3342 (BA-435).

Query example

query {
  abusing_report_config(agent_id: "<agent_id>") {
    abuse_report_path
    force_terminate_abusing_containers
  }
}

Checklist: (if applicable)

• Milestone metadata specifying the target backport version
• Mention to the original issue
• API server-client counterparts (e.g., manager API -> client SDK)
• Test case(s) to:
  • Demonstrate the difference of before/after
  • Demonstrate the flow of abstract/conceptual models with a concrete implementation

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📚 Documentation preview 📚: https://sorna--3355.org.readthedocs.build/en/3355/

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📚 Documentation preview 📚: https://sorna-ko--3355.org.readthedocs.build/ko/3355/