Update to winit-0.29.0-beta.0

The main highlight of this update is that alacritty will now use new
keyboard API from the winit, which resolves a lot of issues around
key bindings, such as abitilty to bind dead keys. It also fixes long
standing issues with the virtual keycode bindings and make bindings in
general more predictable. It also makes our default Vi key bindings
fully working.

Given that alacritty was using `VirtualKey` directly in the bindings
from the winit, and winit simply removed the enum, we've added internal
convertions to minimize the fallout, but new way to specify the bindings
should be more intuitive.

Other part of this update fixes some forward compatibility bugs with the
Wayland backend, given that wayland-rs 0.30 is fully forward compatible.
The update also fixes weird Maximized startup issues on GNOME Wayland,
however they were present on any sane compositor.

Fixes alacritty#6842.
Fixes alacritty#6455.
Fixes alacritty#6184.
Fixes alacritty#5684.
Fixes alacritty#3574.
Fixes alacritty#3460.
Fixes alacritty#1336.
Fixes alacritty#892.
Fixes alacritty#458.
Fixes alacritty#55.

CHANGELOG.md

@@ -17,6 +17,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Warnings for unused configuration file options
 - Config option `persist` in `hints` config section
 - Support for dynamically loading conpty.dll on Windows
+- Ability to make keybindings with the dead keys
 
 ### Changed
 
@@ -29,13 +30,18 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Deprecated config option `key_bindings`, use `keyboard.bindings`
 - Deprecated config option `mouse_bindings`, use `mouse.bindings`
 - The default colorscheme is now based on base16 classic dark
+- IME popup now try to not obscure the current cursor line
 
 ### Fixed
 
 - Hyperlink preview not being shown when the terminal has exactly 2 lines
 - Crash on Windows when changing display scale factor
 - Freeze with some drivers when using GLX
 - Crash when shrinking the terminal scrolled into the history
+- Unconditional query of xdg-portal settings on Wayland
+- `Maximized` startup mode not filling the screen properly on GNOME Wayland
+- `OptionAsAlt` with `OnlyLeft`/`OnlyRight` settings not working properly on macOS
+- Default Vi key bindings for `Last`/`First` actions not working on X11/Wayland
 
 ### Removed