Adjust bootsnap configuration for newer version (#8826)

Gemfile

@@ -24,7 +24,7 @@ gem 'streamio-ffmpeg', '~> 3.0'
 
 gem 'active_model_serializers', '~> 0.10'
 gem 'addressable', '~> 2.5'
-gem 'bootsnap', '~> 1.3'
+gem 'bootsnap', '~> 1.3', require: false
 gem 'browser'
 gem 'charlock_holmes', '~> 0.7.6'
 gem 'iso-639'

config/boot.rb

@@ -1,14 +1,14 @@
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
 
-require 'bundler/setup' # Set up gems listed in the Gemfile.
-require 'bootsnap' # Speed up boot time by caching expensive operations.
+require 'bundler/setup'  # Set up gems listed in the Gemfile.
+require 'bootsnap/setup' # Speed up boot time by caching expensive operations.
 
 Bootsnap.setup(
   cache_dir:            'tmp/cache',
-  development_mode:     ENV['RAILS_ENV'] == 'development',
+  development_mode:     ENV.fetch('RAILS_ENV', 'development') == 'development',
   load_path_cache:      true,
   autoload_paths_cache: true,
-  disable_trace:        true,
+  disable_trace:        false,
   compile_cache_iseq:   false,
   compile_cache_yaml:   false
 )