chore: update Java versions on Very Good Core

[tomarra]

Description

Fixes #120 by updating the Java versions. Also noticed the Kotlin versions were behind so updating that too.

Type of Change

• [ ] ✨ New feature (non-breaking change which adds functionality)
• [ ] 🛠️ Bug fix (non-breaking change which fixes an issue)
• [ ] ❌ Breaking change (fix or feature that would cause existing functionality to change)
• [ ] 🧹 Code refactor
• [ ] ✅ Build configuration change
• [ ] 📝 Documentation
• [x] 🗑️ Chore