chore: prepare release 6.0.2

[kjonescertinia]

Summary

Prepares the repository for the 6.0.2 release.

Changes

• Updated CHANGELOG.md with 6.0.2 release date (2025-11-25)
• Updated mcp-npm/package.json jarVersion to 6.0.2

Release Notes (6.0.2)

Fixed

• Loop variables used only in iteration control (condition/increment) are no longer incorrectly flagged as unused (for statement unused regression #397)
• Variables used in ghosted type list initializers are no longer incorrectly flagged as unused (False Positive: Unused Variable Warnings for String Variables with Multi-line Assignments #398)

Next Steps

After merging this PR:

1. Create a GitHub Release with tag v6.0.2 targeting main
2. The Publish workflow will automatically build and publish to Maven Central and NPM