chore(deps): Bump ruby/setup-ruby

Bumps the github-actions group with 1 update in the / directory: [ruby/setup-ruby](https://github.com/ruby/setup-ruby).


Updates `ruby/setup-ruby` from 1.290.0 to 1.293.0
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@6ca151f...dffb23f)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.293.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/test-copilot-pr-creation.yml

@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@6ca151fd1bfcfd6fe0c4eb6837eb0584d0134a0c
+        uses: ruby/setup-ruby@dffb23f65a78bba8db45d387d5ea1bbd6be3ef18
         with:
           ruby-version: "3.4"
           bundler-cache: true

.github/workflows/test.yml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@6ca151fd1bfcfd6fe0c4eb6837eb0584d0134a0c
+        uses: ruby/setup-ruby@dffb23f65a78bba8db45d387d5ea1bbd6be3ef18
         with:
           ruby-version: "3.4"
           bundler-cache: true