updates binstubs

bin/spring

@@ -1,15 +1,17 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+#
+# This file was generated by Bundler.
+#
+# The application 'spring' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
 
-# This file loads spring without using Bundler, in order to be fast.
-# It gets overwritten when you run the `spring binstub` command.
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
 
-unless defined?(Spring)
-  require 'rubygems'
-  require 'bundler'
+require "rubygems"
+require "bundler/setup"
 
-  if (match = Bundler.default_lockfile.read.match(/^GEM$.*?^    (?:  )*spring \((.*?)\)$.*?^$/m))
-    Gem.paths = { 'GEM_PATH' => [Bundler.bundle_path.to_s, *Gem.path].uniq }
-    gem 'spring', match[1]
-    require 'spring/binstub'
-  end
-end
+load Gem.bin_path("spring", "spring")