bundlerEnv: ignore bundler configuration file

Change will make packaged ruby application ignore the user-wide bundle
configuration.

Fix #85989

pkgs/development/ruby-modules/bundled-common/gen-bin-stubs.rb

@@ -34,6 +34,7 @@ paths.each do |path|
 ENV["BUNDLE_GEMFILE"] = #{gemfile.dump}
 ENV.delete 'BUNDLE_PATH'
 ENV['BUNDLE_FROZEN'] = '1'
+ENV['BUNDLE_IGNORE_CONFIG'] = '1'
 
 Gem.paths = { 'GEM_HOME' => #{bundle_path.dump} }