v3.3.0

• update libnotcurses to 3.9.0.
• fix Plane's set_base_* methods.
• update impl Debug for Style.
• make VisualOptions public.
• add multiple missing inline attributes.
• add missing Plane methods: erase, erase_region, contents, contents_region.
• rename Error and Result to NotcursesError and NotcursesResult, respectively (breaking change).

Full Changelog: v3.2.4...v3.3.0

(compatible with notcurses v3.0.9)