CI: fails on windows-latest ucrt

[olleolleolle]

windows-latest ucrt had this output:

D:/ruby-ucrt/bin/ruby.exe -I. ../../../../ext/digest/extconf.rb
creating Makefile
make
generating digest-x64-mingw-ucrt.def
compiling ../../../../ext/digest/digest.c
linking shared-object digest.so
make install sitearchdir=../../../../lib sitelibdir=../../../../lib target_prefix=
make: /c/hostedtoolcache/windows/Ruby/3.4.7/x64/msys64/usr/bin/mkdir: No such file or directory
make: *** [Makefile:216: .sitearchdir.time] Error 127
rake aborted!
Command failed with status (2): [make install sitearchdir=../../../../lib sitelibdir=../../../../lib target_prefix=]
D:/a/digest/digest/vendor/bundle/ruby/4.0.0+0/gems/rake-compiler-1.3.0/lib/rake/extensiontask.rb:174:in 'block in Rake::ExtensionTask#define_compile_tasks'
D:/a/digest/digest/vendor/bundle/ruby/4.0.0+0/gems/rake-13.3.1/exe/rake:27:in '<top (required)>'
D:/ruby-ucrt/bin/bundle:33:in '<main>'
Tasks: TOP => compile => compile:x64-mingw-ucrt => compile:digest:x64-mingw-ucrt => copy:digest:x64-mingw-ucrt:4.0.0
(See full trace by running task with --trace)
mkdir -p tmp/x64-mingw-ucrt/digest/4.0.0
cd tmp/x64-mingw-ucrt/digest/4.0.0
cd -
cd tmp/x64-mingw-ucrt/digest/4.0.0
cd -
mkdir -p tmp/x64-mingw-ucrt/stage/lib
Error: Process completed with exit code 1.'

See #103

[hsbt]

That caused by upstream that is ruby/setup-ruby, MSP-Greg/ruby-loco or mingw platform. Now, that works fine.