Bump ruby/setup-ruby from 1.288.0 to 1.299.0 (#77)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.288.0 to 1.299.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@v1.288.0...v1.299.0)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.299.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/jekyll.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1.288.0
+        uses: ruby/setup-ruby@v1.299.0
         with:
           ruby-version: '3.1'
       - name: Setup Emacs