ci: bump ruby/setup-ruby from 1.268.0 to 1.269.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.268.0 to 1.269.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@8aeb6ff...d697be2)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.269.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/build-website.yml

@@ -61,7 +61,7 @@ jobs:
       uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
     - name: 💎 setup ruby
-      uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # v1.268.0
+      uses: ruby/setup-ruby@d697be2f83c6234b20877c3b5eac7a7f342f0d0c # v1.269.0
       with:
         ruby-version: 3.2 # can change this to 2.7 or whatever version you prefer