V10.0.0 Feat/labelling database foundation and guardicore importer

[tpurschke]

• Add a generic labelling schema for key/value labels, change events, and assignments to rules, connections, access flows, and owner networks, with creation/upgrade SQL and Hasura metadata.
• Preserve source and destination labels on firewall rules across importer, GraphQL, and shared C# models, including single-value and multi-value JSON serialization.
• Add an initial Akamai Guardicore REST importer for labels, label groups, assets, and segmentation rules; normalize network/service objects and ordered, chained rulebases.
• Register Guardicore management/gateway device types and automatically create a policy gateway when none exists.
• Upsert imported label keys and values globally on each import, deduplicate values, and retain labels that disappear from the source; add the labelLogic setting with an AND default.
• Document the normalized label format and revision changes, and add Python importer tests, sample Guardicore data, and C# schema/serialization tests.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
98.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud