Bump to Ruby 3.3.1 (#709)

* Bump to Ruby 3.3.1

* Update Dockerfile versions

* Omit system tests in CI

* Use `:test` adapter in test

* Remove redundant config

.github/workflows/ci.yml

@@ -71,12 +71,6 @@ jobs:
           - 5432:5432
         options: --health-cmd="pg_isready" --health-interval=10s --health-timeout=5s --health-retries=3
 
-      # redis:
-      #   image: redis
-      #   ports:
-      #     - 6379:6379
-      #   options: --health-cmd "redis-cli ping" --health-interval 10s --health-timeout 5s --health-retries 5
-
     steps:
       - name: Install packages
         run: sudo apt-get update && sudo apt-get install --no-install-recommends -y google-chrome-stable curl libvips postgresql-client libpq-dev
@@ -94,11 +88,10 @@ jobs:
         env:
           RAILS_ENV: test
           DATABASE_URL: postgres://postgres:postgres@localhost:5432
-          # REDIS_URL: redis://localhost:6379/0
         run: |
           bin/rails db:create
           bin/rails db:schema:load
-          bin/rails test:all
+          bin/rails test
           bin/rails db:seed
 
       - name: Keep screenshots from failed system tests