.gitlab-ci.yml in gitlab-labkit-0.32.0 vs .gitlab-ci.yml in gitlab-labkit-0.33.0

@@ -1,7 +1,7 @@
 default:
-  image: ruby:2.7
+  image: ruby:3.1
 
 workflow:
   rules:
     # For merge requests, create a pipeline.
     - if: '$CI_MERGE_REQUEST_IID'
@@ -9,22 +9,25 @@
     - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
     # For tags, create a pipeline.
     - if: '$CI_COMMIT_TAG'
 
 .test_template: &test_definition
+  image: ruby:${RUBY_VERSION}
   stage: test
   script:
-    - gem install bundler
+    - gem install bundler --no-document
+    - bundle config --local path vendor
     - bundle install
     - bundle exec rake verify build install
-
-test:3.0:
-  image: ruby:3.0
+  cache:
+    key: ${CI_JOB_IMAGE}
+    paths:
+      - vendor/ruby
+ruby:
   <<: *test_definition
-
-test:2.7:
-  image: ruby:2.7
-  <<: *test_definition
+  parallel:
+    matrix:
+      - RUBY_VERSION: ["2.7", "3.0", "3.1", "3.2"]
 
 static-analysis:
   before_script:
     - bundle install
   script: