Bump ruby/setup-ruby from 1.167.0 to 1.168.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.167.0 to 1.168.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](b203567269...432702e864)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/baseruby.yml

@@ -57,7 +57,7 @@ jobs:
           - ruby-3.3
 
     steps:
-      - uses: ruby/setup-ruby@b203567269b5bbc256dbc1c84f7495913f977353 # v1.167.0
+      - uses: ruby/setup-ruby@432702e864cadc1b56247e31aa341be5be3e129a # v1.168.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler: none

.github/workflows/mingw.yml

@@ -74,7 +74,7 @@ jobs:
 
     steps:
       - name: Set up Ruby & MSYS2
-        uses: ruby/setup-ruby@b203567269b5bbc256dbc1c84f7495913f977353 # v1.167.0
+        uses: ruby/setup-ruby@432702e864cadc1b56247e31aa341be5be3e129a # v1.168.0
         with:
           ruby-version: ${{ matrix.baseruby }}
 

.github/workflows/rjit-bindgen.yml

@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Set up Ruby
-        uses: ruby/setup-ruby@b203567269b5bbc256dbc1c84f7495913f977353 # v1.167.0
+        uses: ruby/setup-ruby@432702e864cadc1b56247e31aa341be5be3e129a # v1.168.0
         with:
           ruby-version: '3.1'
 

.github/workflows/spec_guards.yml

@@ -48,7 +48,7 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
-      - uses: ruby/setup-ruby@b203567269b5bbc256dbc1c84f7495913f977353 # v1.167.0
+      - uses: ruby/setup-ruby@432702e864cadc1b56247e31aa341be5be3e129a # v1.168.0
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler: none