Log Message:
zsh-autosuggestions: update to 0.5.2.

## v0.5.2
- Allow disabling automatic widget re-binding for better performance (#418)
- Fix async suggestions when `SH_WORD_SPLIT` is set
- Refactor async mode to use process substitution instead of zpty (#417)

## v0.5.1
- Speed up widget rebinding (#413)
- Clean up global variable creations (#403)
- Respect user's set options when running original widget (#402)