Update to Ruby 3.1, and all gems

.circleci/config.yml

@@ -1,7 +1,7 @@
 jobs:
   rubocop:
     docker:
-      - image: 'cimg/ruby:3.0.3'
+      - image: 'cimg/ruby:3.1'
     steps:
       - checkout
       - ruby/install-deps
@@ -11,7 +11,7 @@ jobs:
 
   test:
     docker:
-      - image: 'cimg/ruby:3.0.3-browsers'
+      - image: 'cimg/ruby:3.1-browsers'
       - image: 'circleci/postgres:12.0-alpine-ram'
         environment:
           POSTGRES_DB: choco_cake_test

Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM ruby:3.0.3
+FROM ruby:3.1
 RUN apt-get update -qq && apt-get install -y nodejs postgresql-client
 WORKDIR /app
 COPY Gemfile /app/Gemfile

Gemfile

@@ -3,7 +3,7 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '3.0.3'
+ruby '~> 3.1.0'
 
 gem 'aws-sdk-s3', require: false
 gem 'bootsnap', require: false