feat: include root when using glob patterns

[gnikit]

Is there an existing request for this?

• I have searched the existing issues

Feature Request

doing something like ${workspaceFolder}/include/** does not include ${workspaceFolder}/include. This is a bug by fast-glob mrmlnc/fast-glob#47 but it interferes with how users interact with our extension so the only solution is for us to drop fast-glob as a dependency and use the slower glob module.

Because we use caching the difference between the 2 should be almost unnoticed