[BUG] Deprecated dependency lodash.get@4.4.2

# Bug Report

When installing archunit, a deprecated dependency `lodash.get@4.4.2` is reported:


## Steps to Reproduce

```bash
npm i -D archunit
npm warn deprecated lodash.get@4.4.2: This package is deprecated. Use the optional chaining (?.) operator instead.
```

## Environment

- OS: macOS 15.7.1
- Node.js: 24.10
- ArchUnitTS: 2.1.63
- Testing Framework: Vitest 4.0.3
