Bump ruby/setup-ruby from 1.218.0 to 1.221.0 (#94)

Author: dependabot[bot]

.github/workflows/push_gem.yml

@@ -22,7 +22,7 @@ jobs:
           git config --global user.name "$(git log -1 --pretty=format:'%an')"
           git remote set-url origin "https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY"
       - name: Set up Ruby
-        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # v1.218.0
+        uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
         with:
           bundler-cache: true
           ruby-version: ruby

.github/workflows/rubygems.yml

@@ -51,7 +51,7 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup ruby (Ubuntu/macOS)
-        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # v1.218.0
+        uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
         with:
           ruby-version: ${{ matrix.ruby.value }}
           bundler-cache: true

.github/workflows/ubuntu-lint.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup ruby
-        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # v1.218.0
+        uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
         with:
           ruby-version: 3.3.6
           bundler-cache: true