remove cygwin from ci

Author: plicease

.github/workflows/cygwin.yml

@@ -1,4 +1,4 @@
-# FFI::C::Stat ![static](https://github.com/PerlFFI/FFI-C-Stat/workflows/static/badge.svg) ![linux](https://github.com/PerlFFI/FFI-C-Stat/workflows/linux/badge.svg) ![windows](https://github.com/PerlFFI/FFI-C-Stat/workflows/windows/badge.svg) ![macos](https://github.com/PerlFFI/FFI-C-Stat/workflows/macos/badge.svg) ![cygwin](https://github.com/PerlFFI/FFI-C-Stat/workflows/cygwin/badge.svg) ![msys2-mingw](https://github.com/PerlFFI/FFI-C-Stat/workflows/msys2-mingw/badge.svg)
+# FFI::C::Stat ![static](https://github.com/PerlFFI/FFI-C-Stat/workflows/static/badge.svg) ![linux](https://github.com/PerlFFI/FFI-C-Stat/workflows/linux/badge.svg) ![windows](https://github.com/PerlFFI/FFI-C-Stat/workflows/windows/badge.svg) ![macos](https://github.com/PerlFFI/FFI-C-Stat/workflows/macos/badge.svg) ![msys2-mingw](https://github.com/PerlFFI/FFI-C-Stat/workflows/msys2-mingw/badge.svg)
 
 Object-oriented FFI interface to native stat and lstat
 

README.md

@@ -18,7 +18,6 @@ workflow = static
 workflow = linux
 workflow = windows
 workflow = macos
-workflow = cygwin
 workflow = msys2-mingw
 
 [Author::Plicease::Core]