fix: override default values of some type descriptions

[quanquan2100]

Summary

Fix inaccurate type descriptions in RslibConfig using @override annotation

Related Links

GH-856

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[Timeless0911]

export interface LibConfig extends EnvironmentConfig { This line use the type EnvironmentConfig, we also need to override in this type when we configure output.target in lib array.

[Timeless0911]

LGTM, thank you!