Bump ruby to 3.0.6 (#218)

* Bump ruby to 2.7.8
* Bump listen to 3.5.1 (remove dependency on ruby_dep)
* Bump ruby to 3.0.6
* Fix I18n.translate arguments: from hash to keyword arguments

Gemfile

@@ -1,7 +1,8 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.6.6'
+ruby '3.0.6'
+
 gem 'rake', '12.3.3'
 
 gem 'rails', '6.0.5'
@@ -45,8 +46,8 @@ end
 
 group :development do
   gem 'web-console', '>= 3.3.0'
-  gem 'spring'
-  gem 'spring-watcher-listen', '~> 2.0.0'
+  gem 'spring', '2.1.1'
+  gem 'spring-watcher-listen', '2.0.1'
 end
 
 group :test do
@@ -58,7 +59,7 @@ group :test do
 end
 
 # If not bundled, webpack compilation in production fails
-gem 'listen', '>= 3.0.5', '< 3.2'
+gem 'listen', '3.5.1'
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]