Bump ruby/setup-ruby from 1.187.0 to 1.190.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.187.0 to 1.190.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@161cd54...a6e6f86)

---
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/ci.yml

@@ -43,7 +43,7 @@ jobs:
       BUNDLE_WITHOUT: development
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # v1.187.0
+      - uses: ruby/setup-ruby@a6e6f86333f0a2523ece813039b8b4be04560854 # v1.190.0
         with:
           ruby-version: ${{ matrix.ruby }}
           # Enabling is the recommended way, but it cannot detect runner changes in early stage.

.github/workflows/lint.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # v1.187.0
+      - uses: ruby/setup-ruby@a6e6f86333f0a2523ece813039b8b4be04560854 # v1.190.0
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake rubocop

.github/workflows/signature.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # v1.187.0
+      - uses: ruby/setup-ruby@a6e6f86333f0a2523ece813039b8b4be04560854 # v1.190.0
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake rbs
@@ -41,7 +41,7 @@ jobs:
     runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # v1.187.0
+      - uses: ruby/setup-ruby@a6e6f86333f0a2523ece813039b8b4be04560854 # v1.190.0
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake signature:validate_yard