Updated to cygwin 3.7.0-0.287.g3a03874f73db, fixing display corruption by data loss after ^O (mintty/mintty#1332).

Workaround for corrupted display (mintty/mintty#1332)

• Update to Mintty 3.8.0.
• Derive default icon from WSL launcher shortcut (#110).

Revised WSL launching

This release drops the wslbridge gateways by default, since there were
notoriously frequent cases where they would have failed to work.
Launching WSL with the Windows built-in default launcher, however,
used to be a crook solution as it obstructed transparent terminal operation
by hooking the Windows conhost layer into the workflow.
This deficiency can now be compensated by patching an updated ʻconhost.exeʻ
into Windows; see instructions about ʻconhostʻ in the mintty wiki
Tips.

• Update to mintty 3.7.8.
• Revise command-line launch scripts, support arguments (#365).

Updated to mintty 3.7.7

Update to wslbridge2 v0.13

• replace preliminary WSL V2 patch (#361)
• support ioctl pixel size retrieval if supported by Linux (Biswa96/wslbridge2#45)

Portable Installation & Configuration

• support update installation into selected folder (#359)
• tweak portable install; support renaming installation dir (~#359)
• provide script to refresh shortcut icon after renaming installation dir (~#359)
• support portable installation into folder with space (#362)
• portable installation supports Unicode folder names

Update to mintty 3.7.6.

• Reenable WSL 2, using rluetzner's patch (#356).
• Revised box drawing, now self-drawn (#353).
• Skip config files in $HOME if $HOME does not exist (#351).

Updated to mintty 3.7.4, fixing sticky Ctrl keyboard issue after revised AltGr handling.

Updated to mintty 3.7.3

Updated to mintty 3.7.2

• Implemented fallback to legacy wslbridge for old Windows versions (#350).