Update lib/ruby_lsp/ruby_lsp_rails/runner_client.rb

Co-authored-by: Vinicius Stock <[email protected]>

Author: andyw8

lib/ruby_lsp/ruby_lsp_rails/runner_client.rb

@@ -36,7 +36,7 @@ def model(name)
       sig { void }
       def shutdown
         send_notification("shutdown")
-        sleep(0.01) while @wait_thread.alive?
+        Thread.pass while @wait_thread.alive?
         [@stdin, @stdout, @stderr].each(&:close)
       end