Change to ruby version 3.2.2, the latest version of cimg/ruby

Author: onozaty

.circleci/config.yml

@@ -14,7 +14,7 @@ jobs:
         default: redmine
       ruby_version:
         type: string
-        default: "3.3" # https://github.com/redmine/redmine/blob/5.1.0/Gemfile#L3
+        default: "3.2" # https://github.com/redmine/redmine/blob/5.1.0/Gemfile#L3
       database:
         type: enum
         enum: