Use a working setup-ruby action on Windows to get CI green

New packages for ucrt64 gcc chain were uploaded to
https://github.com/ruby/setup-msys2-gcc/releases/tag/msys2-gcc-pkgs
recently and they seem to have broken extension compilation on Windows.

There's a new rewrite of the action (unsure if related of unrelated to
this issue) that makes it easier to pin to older version of the gcc
chain. So this uses a fork of that rewrite that pins to gcc chain to the
last working version.

So switch to that for now to get our CI back to green.

Author: deivid-rodriguez

.github/workflows/bundler.yml

@@ -57,8 +57,11 @@ jobs:
       RUBYOPT: --disable-gems
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      # TODO:
+      # * Go back to ruby/setup-ruby once https://github.com/ruby/setup-ruby/pull/762 is released
+      # * Figure out regression in gcc packages, my fork is pinned to https://github.com/ntkme/setup-msys2-gcc/releases/tag/v20250509.003447 because newer releases break our tests for some reason
       - name: Setup ruby
-        uses: ruby/setup-ruby@eaecf785f6a34567a6d97f686bbb7bccc1ac1e5c # v1.237.0
+        uses: deivid-rodriguez/setup-ruby@dev
         with:
           ruby-version: ${{ matrix.ruby.value }}
           bundler: none

.github/workflows/install-rubygems.yml

@@ -117,8 +117,11 @@ jobs:
           - { name: jruby, value: jruby-9.4.12.0, rails-args: "--skip-webpack-install" }
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      # TODO:
+      # * Go back to ruby/setup-ruby once https://github.com/ruby/setup-ruby/pull/762 is released
+      # * Figure out regression in gcc packages, my fork is pinned to https://github.com/ntkme/setup-msys2-gcc/releases/tag/v20250509.003447 because newer releases break our tests for some reason
       - name: Setup ruby
-        uses: ruby/setup-ruby@eaecf785f6a34567a6d97f686bbb7bccc1ac1e5c # v1.237.0
+        uses: deivid-rodriguez/setup-ruby@dev
         with:
           ruby-version: ${{ matrix.ruby.value }}
           bundler: none