Update ruby Docker tag to v2.7.8

renovate[bot] · web-flow · commit 0ee367b1f2f3 · 2025-08-18T21:28:03.000Z
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
@@ -276,7 +276,7 @@ variables:
     - 'bundle exec rake spec'
 
 .beaker: &beaker
-  image: ruby:2.7.2  # must be 2.7.2 if running in GCP
+  image: ruby:2.7.8  # must be 2.7.2 if running in GCP
   tags:
     - beaker
   before_script:
