Merge pull request #746 from alphagov/dependabot/github_actions/ruby/setup-ruby-1.279.0

Bump ruby/setup-ruby from 1.276.0 to 1.279.0

Author: kevindew

.github/workflows/rspec.yml

@@ -68,7 +68,7 @@ jobs:
           token: ${{ secrets.GOVUK_CI_GITHUB_API_TOKEN }}
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+        uses: ruby/setup-ruby@b90be12699fdfcbee4440c2bba85f6f460446bb0 # v1.279.0
         with:
           bundler-cache: true
         env: