Merge branch 'update-ci-image' into 'master'

Update CI image to latest one

See merge request !1325



Merged-by: Andrejs Cunskis <acunskis@gitlab.com>
Approved-by: Andrejs Cunskis <acunskis@gitlab.com>
Co-authored-by: Rémy Coutable <remy@rymai.me>

.gitlab-ci.yml

@@ -10,7 +10,7 @@
 include:
   - component: gitlab.com/gitlab-org/components/danger-review/danger-review@~latest
     inputs:
-      job_image: "${CI_REGISTRY}/gitlab-org/gitlab-build-images/debian-${DEBIAN_VERSION}-ruby-${RUBY_VERSION}:bundler-${BUNDLER_VERSION}"
+      job_image: "${CI_REGISTRY}/gitlab-org/gitlab-build-images/debian-${DEBIAN_VERSION}-ruby-${RUBY_VERSION}"
   - component: gitlab.com/gitlab-org/components/gem-release/gem-release@~latest
 
 stages:
@@ -20,7 +20,7 @@ stages:
   - deploy
 
 default:
-  image: ${CI_REGISTRY}/gitlab-org/gitlab-build-images/debian-${DEBIAN_VERSION}-ruby-${RUBY_VERSION}:bundler-${BUNDLER_VERSION}
+  image: ${CI_REGISTRY}/gitlab-org/gitlab-build-images/debian-${DEBIAN_VERSION}-ruby-${RUBY_VERSION}
   tags:
     - gitlab-org
   cache:
@@ -43,8 +43,7 @@ workflow:
 variables:
   DEBIAN_VERSION: bookworm
   DOCKER_VERSION: "24.0.5"
-  BUNDLER_VERSION: "2.5"
-  RUBY_VERSION: "3.1"
+  RUBY_VERSION: "3.1.5"
   BUNDLE_PATH: vendor
   BUNDLE_SILENCE_ROOT_WARNING: "true"
   BUNDLE_SUPPRESS_INSTALL_USING_MESSAGES: "true"
@@ -145,7 +144,6 @@ package-and-test:
       - RUBY_VERSION
       - DEBIAN_VERSION
       - DOCKER_VERSION
-      - BUNDLER_VERSION
   trigger:
     strategy: depend
     forward: