v0.9.beta8

What's Changed

• Unset argument in NeMo launcher when its value is ~ by @TaekyungHeo in #223
• Rename NeMo-related TOML configurations to reflect the exact model by @TaekyungHeo in #222
• Use mock data by default in NeMo launcher by @TaekyungHeo in #224

Full Changelog: v0.9.beta7...v0.9.beta8