Update Gradle, plugins and dependencies
- Update Gradle to 7.6.2
- Update Gradle JavaFX Plugin to 0.1.0
- Update Jackson-Databind to 2.15.2
- Update JUnit to 5.10.0
- Update AssertJ to 3.24.2
Other
- Add Serial Annotation to serialVersionUID
- Remove System.out.print of owned in calculateCosts method