Merge pull request #1551 from alphagov/dependabot/github_actions/ruby/setup-ruby-1.253.0

Bump ruby/setup-ruby from 1.247.0 to 1.253.0

Author: alice-carr

.github/workflows/test.yml

@@ -49,7 +49,7 @@ jobs:
       # Add or replace dependency steps here
       - name: Install Ruby and gems
         # The ruby version is taken from the .ruby-version file, no need to specify here.
-        uses: ruby/setup-ruby@472790540115ce5bd69d399a020189a8c87d641f # v1.247.0
+        uses: ruby/setup-ruby@bb6434c747fa7022e12fa1cae2a0951fcffcff26 # v1.253.0
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - name: Install Node.js