Use our custom bin/dev wrapper instead of bundle exec

This is required until Shopify#389 is resolved.

Author: louim

lib/ruby_lsp/ruby_lsp_rails/runner_client.rb

@@ -56,7 +56,7 @@ def initialize
         end
 
         stdin, stdout, stderr, wait_thread = Bundler.with_original_env do
-          Open3.popen3("bundle", "exec", "rails", "runner", "#{__dir__}/server.rb", "start")
+          Open3.popen3("bin/dev", "rails", "runner", "#{__dir__}/server.rb", "start")
         end
 
         @stdin = T.let(stdin, IO)