Move check-new-windows-versions.yml workflow from ruby/ruby-builder to ruby/setup-ruby #1768

Job	Run time
Test with no Gemfile but with bundler-cache	21s
Test rubygems: version upgrades RubyGems to that version if the default is older	26s
test-matrix	7s
Test with no Gemfile	23s
Test rubygems: version uses the Bundler installed by the rubygems update	8s
Test bundler: 1.x for old Ruby	20s
Test BUNDLED WITH Bundler dev	8s
Test rubygems: latest on 3.2	9s
Test rubygems: latest on 2.6	23s
Test with rails7 gemfile	12s
Test rubygems: version noops if the default is newer	7s
Test with a Bundler pre/rc version	21s
Test with a major Bundler version	20s
Test with an older Bundler version than the one of the default gem	12s
Test with a minor Bundler version	21s
Check windows*versions.json are up-to-date	6s
Test rubygems: latest on 3.0	11s
Test rubygems: latest on 2.5	22s
Check dist/index.js is up-to-date	13s
Test with an exact Bundler version	20s
Test with rails8 gemfile	10s
Test gemfile depending on Bundler 1	21s
Test .ruby-version	6s
Test rubygems: latest on 2.7	23s
Test rubygems: latest on 2.0	9s
Test windows-toolchain: none	29s
Test mise.toml	6s
Test rubygems: latest on 2.3	26s
Test .tool-versions	7s
${{ matrix.os }} ${{ matrix.ruby }}	0s
	7m 27s

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