.all_images.yml in mize-0.4.1 vs .all_images.yml in mize-0.5.0

@@ -1,23 +1,29 @@
 dockerfile: |-
-  RUN apk add --no-cache build-base git
-  RUN gem update --system
-  RUN gem install gem_hadar bundler
+  RUN apk add --no-cache build-base git bash
+  RUN bash <<NUR
+    if [[ "$(ruby -e 'print RUBY_VERSION')" > '3' ]]
+    then
+      gem update --system
+      gem install gem_hadar bundler
+    else
+      gem install gem_hadar
+      gem install bundler -v 2.4.22
+    fi
+  NUR
 
 script: &script |-
   echo -e "\e[1m"
   ruby -v
   echo -e "\e[0m"
-  bundle update
   bundle
-  bundle exec rake spec
+  rake spec
 
 fail_fast: yes
 
 images:
+  ruby:3.3-alpine: *script
+  ruby:3.2-alpine: *script
   ruby:3.1-alpine: *script
   ruby:3.0-alpine: *script
   ruby:2.7-alpine: *script
   ruby:2.6-alpine: *script
-  ruby:2.5-alpine: *script
-  ruby:2.4-alpine: *script
-  ruby:2.3-alpine: *script