x11/alacritty: update to 0.10.0

pkgsrc changes
- Install manpages

Packaging
- New extra/alacritty-msg.man manpage for the alacritty msg subcommand
- Minimum Rust version has been bumped to 1.53.0

Added
- Option colors.transparent_background_colors to allow applying opacity to all
  background colors
- Support for running multiple windows from a single Alacritty instance
  (see docs/features.md)
- Urgency support on Wayland via xdg_activation_v1

Changed
- ExpandSelection is now a configurable mouse binding action
- Config option background_opacity, you should use window.opacity instead
- Reload configuration files when their symbolic link is replaced
- Strip trailing whitespaces when yanking from a block selection
- Display area keeps history position when viewport is cleared
- Commands spawn from the current directory of the foreground shell in
  Unix-like systems
- Remove trailing newline from strings taken from hints or
  simple/semantic selections
- Builtin font is now used for box drawing characters from U+2500 to U+259f
- Logs now print the time since startup instead of the local time

Fixed
- Line indicator obstructing vi mode cursor when scrolled into history
- Vi mode search starting in the line below the vi cursor
- Invisible cursor with matching foreground/background colors
- Crash when hovering over a match emptied by post-processing
- Crash when the vi cursor is on the scrollback and viewport clear is invoked
- Freeze when the vi cursor is on the scrollback and scrollback clear is
  invoked
- Vi cursor on topmost of the display moving downward when scrolled into
  history with active output
- Input lag on Wayland with Nvidia binary driver
- Crash when hovering the mouse over fullwidth characters
- Do not create logfile if the file already exists

Removed
- Wayland client side decorations were simplified

(pin)