RADAR-base/radar-app-config: radar-app-config 0.6.2

What's Changed Release 0.6.2 by @pvannierop in https://github.com/RADAR-base/radar-app-config/pull/75: Bumped project version to 0.6.2. Applied March 2026 security updates across the project. Consolidated project configuration into the root build file aligned with platform conventions. Upgraded Gradle version to 8.14. Cleaned up redundant entries in gradle.properties. Full Changelog: https://github.com/RADAR-base/radar-app-config/compare/v0.6.1...v0.6.2