gigachat_dart

Исправление: переход на freezed v3 и устранение конфликтов зависимостей

Merge pull request #1 from pwrshi/dependabot/pub/very_good_analysis-6.0.0

Bump very_good_analysis from 5.1.0 to 6.0.0

version 0.1.2

feat: Update GitHub workflow and bump package version with test additions