Try fixing windows CI (use last 32bit compatible cygwin version) (#10864)

See https://cygwin.com/pipermail/cygwin/2022-November/252542.html

.github/workflows/main.yml

@@ -124,6 +124,7 @@ jobs:
       MINGW_ARCH: i686
       CYGWIN_SETUP: https://cygwin.com/setup-x86.exe
       CYG_ROOT: C:/cygwin
+      CYG_CIRCA_URL: http://ctm.crouchingtigerhiddenfruitbat.org/pub/cygwin/circa/2022/11/23/063457
     steps:
       - uses: actions/checkout@main
         with:
@@ -159,7 +160,7 @@ jobs:
         run: |
           Set-PSDebug -Trace 1
           curl.exe -fsSL -o cygwin-setup.exe --retry 3 $($env:CYGWIN_SETUP)
-          Start-Process -FilePath "cygwin-setup.exe" -ArgumentList "-B -q -R $($env:CYG_ROOT) -l C:/tmp -s $($env:CYG_MIRROR) -P default -P make -P git -P zlib-devel -P rsync -P patch -P diffutils -P curl -P unzip -P tar -P m4 -P perl -P libpcre-devel -P mbedtls-devel -P mingw64-$($env:MINGW_ARCH)-zlib -P mingw64-$($env:MINGW_ARCH)-gcc-core -P mingw64-$($env:MINGW_ARCH)-pcre" -Wait
+          Start-Process -FilePath "cygwin-setup.exe" -ArgumentList "-B -q -R $($env:CYG_ROOT) -l C:/tmp -s $($env:CYG_MIRROR) -P default -P make -P git -P zlib-devel -P rsync -P patch -P diffutils -P curl -P unzip -P tar -P m4 -P perl -P libpcre-devel -P mbedtls-devel -P mingw64-$($env:MINGW_ARCH)-zlib -P mingw64-$($env:MINGW_ARCH)-gcc-core -P mingw64-$($env:MINGW_ARCH)-pcre --allow-unsupported-windows --site $($env:CYG_CIRCA_URL)" -Wait
           curl.exe -fsSL -o "opam.tar.xz" --retry 3 https://github.com/fdopen/opam-repository-mingw/releases/download/0.0.0.2/opam$($env:ARCH).tar.xz
           curl.exe -fsSL -o "libmbedtls.tar.xz" --retry 3 https://github.com/Simn/mingw64-mbedtls/releases/download/2.16.3/mingw64-$($env:MINGW_ARCH)-mbedtls-2.16.3-1.tar.xz
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'curl -L https://cpanmin.us | perl - App::cpanminus')