Bump ruby/setup-ruby from 1 to 1.305.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1 to 1.305.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@v1...v1.305.0)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.305.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -45,7 +45,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
+      uses: ruby/setup-ruby@v1.305.0
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true