Java 25 Support

Update for Java 25, Gradle 9 and various QoL improvements

Java 17 Support / Full Instruction Set

Significant changes:

• Code now uses Java 17 features
• All possible opcodes now have a specific action. No more exceptions on unknown opcodes
• Various minor updates and corrections

Tidy up release

Minor fixes, build upgrade and code tidy up

2.0.2

First Maven Central Release

com.codingrodent.microprocessor Z80Processor 2.0.2