update dependencies & gradle

[derklaro]

• Updates Gradle to version 8.4
• Updates ByteBuddy to 1.14.9 (to get ASM 9.6)
• Adds junit-platform-launcher dependency as Gradle will no longer provide it in a future release, see: https://docs.gradle.org/current/userguide/upgrading_version_8.html#test_framework_implementation_dependencies
• Upgrades Mockito to 5.6 and remove mockito-inline dependency as it is now the default mock maker, see: https://github.com/mockito/mockito/releases/tag/v5.0.0