[completions] Rank symbols with the appropriate type higher after except <CURSOR> and raise <EXPR> from <CURSOR> #1779
Description
Similar to what we did for raise <CURSOR> in astral-sh/ruff#21571:
- The type of a symbol after
exceptmust be assignable totype[BaseException] | tuple[type[BaseException], ...] - The type of a symbol after
raise <EXPR> frommust be assignable toBaseException | type[BaseException] | None