Ruby 3.0.2 Upgrade (#16982)

* Update .ruby-version

* Update Gemfile

* Update Gemfile.lock

* Update Dockerfile

* Update check-i18n.yml

* Update config.yml

* Update config.yml

6 files changed, 12 insertions, 10 deletions

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 968de1eb2..e3e4f83d9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -23,7 +23,7 @@ executors:
         environment:
           POSTGRES_USER: root
           POSTGRES_HOST_AUTH_METHOD: trust
-      - image: circleci/redis:5-alpine
+      - image: circleci/redis:6-alpine
 
 commands:
   install-system-dependencies:
@@ -45,7 +45,7 @@ commands:
             bundle config without 'development production'
           name: Set bundler settings
       - ruby/install-deps:
-          bundler-version: '2.2.29'
+          bundler-version: '2.2.31'
           key: ruby<< parameters.ruby-version >>-gems-v1
   wait-db:
     steps:
@@ -56,14 +56,14 @@ commands:
 jobs:
   build:
     docker:
-      - image: cimg/ruby:2.7-node
+      - image: cimg/ruby:3.0-node
         environment:
           RAILS_ENV: test
     steps:
       - checkout
       - install-system-dependencies
       - install-ruby-dependencies:
-          ruby-version: '2.7'
+          ruby-version: '3.0'
       - node/install-packages:
           cache-version: v1
           pkg-manager: yarn
@@ -111,12 +111,12 @@ jobs:
   test-migrations:
     executor:
       name: default
-      ruby-version: '2.7'
+      ruby-version: '3.0'
     steps:
       - checkout
       - install-system-dependencies
       - install-ruby-dependencies:
-          ruby-version: '2.7'
+          ruby-version: '3.0'
       - wait-db
       - run:
           command: ./bin/rails db:create
diff --git a/.github/workflows/check-i18n.yml b/.github/workflows/check-i18n.yml
index 398e78b0f..2e8f230f3 100644
--- a/.github/workflows/check-i18n.yml
+++ b/.github/workflows/check-i18n.yml
@@ -22,7 +22,7 @@ jobs:
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: '2.7'
+        ruby-version: '3.0'
         bundler-cache: true
     - name: Check locale file normalization
       run: bundle exec i18n-tasks check-normalized
diff --git a/.ruby-version b/.ruby-version
index a4dd9dba4..b50214693 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.4
+3.0.2
diff --git a/Dockerfile b/Dockerfile
index 483f5e79a..af1d55cb7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,8 +25,8 @@ RUN ARCH= && \
 	rm node-v$NODE_VER-linux-$ARCH.tar.gz && \
 	mv node-v$NODE_VER-linux-$ARCH /opt/node
 
-# Install Ruby
-ENV RUBY_VER="2.7.4"
+# Install Ruby 3.0
+ENV RUBY_VER="3.0.2"
 RUN apt-get update && \
   apt-get install -y --no-install-recommends build-essential \
     bison libyaml-dev libgdbm-dev libreadline-dev libjemalloc-dev \
diff --git a/Gemfile b/Gemfile
index 81b340201..a420f0577 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,7 @@ source 'https://rubygems.org'
 ruby '>= 2.5.0', '< 3.1.0'
 
 gem 'pkg-config', '~> 1.4'
+gem 'rexml', '~> 3.2'
 
 gem 'puma', '~> 5.5'
 gem 'rails', '~> 6.1.4'
diff --git a/Gemfile.lock b/Gemfile.lock
index e36a1cbbd..31dade486 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -758,6 +758,7 @@ DEPENDENCIES
   rdf-normalize (~> 0.4)
   redis (~> 4.5)
   redis-namespace (~> 1.8)
+  rexml (~> 3.2)
   rqrcode (~> 2.1)
   rspec-rails (~> 5.0)
   rspec-sidekiq (~> 3.1)