rusttype is Unmaintained

The maintainer has advised this crate is deprecated and will not
receive any maintenance.

The maintainer has further advised to migrate over to `ab_glyph`.

Last release seems to have been over two years ago.

## Possible Alternative(s)

The below list has not been vetted in any way and may or may not contain alternatives;

- [ab_glyph](https://crates.io/crates/ab_glyph)