Update Unity to release 2.4.1

tests/unity/extras/fixture/rakefile.rb

@@ -12,34 +12,34 @@ require 'rake/testtask'
 require HERE + 'rakefile_helper'
 
 TEMP_DIRS = [
-    File.join(HERE, 'build')
-]
+  File.join(HERE, 'build')
+].freeze
 
 TEMP_DIRS.each do |dir|
   directory(dir)
   CLOBBER.include(dir)
 end
 
-task :prepare_for_tests => TEMP_DIRS
+task prepare_for_tests: TEMP_DIRS
 
 include RakefileHelpers
 
 # Load default configuration, for now
-DEFAULT_CONFIG_FILE = 'gcc_auto_stdint.yml'
+DEFAULT_CONFIG_FILE = 'gcc_auto_stdint.yml'.freeze
 configure_toolchain(DEFAULT_CONFIG_FILE)
 
-task :unit => [:prepare_for_tests] do
+task unit: [:prepare_for_tests] do
   run_tests
 end
 
-desc "Build and test Unity Framework"
-task :all => [:clean, :unit]
-task :default => [:clobber, :all]
-task :ci => [:no_color, :default]
-task :cruise => [:no_color, :default]
+desc 'Build and test Unity Framework'
+task all: %i(clean unit)
+task default: %i(clobber all)
+task ci: %i(no_color default)
+task cruise: %i(no_color default)
 
-desc "Load configuration"
-task :config, :config_file do |t, args|
+desc 'Load configuration'
+task :config, :config_file do |_t, args|
   configure_toolchain(args[:config_file])
 end