fix: R8 난독화 시 Retrofit API 호출 실패 해결#383

unam98 merged 2 commits intorelease/v2.2.1Runnect/Runnect-Android:release/v2.2.1from

bugfix/replace-gson-with-kotlinxRunnect/Runnect-Android:bugfix/replace-gson-with-kotlinxCopy head branch name to clipboard