[rubygems/rubygems] Set thread configurations inside block in the thread local manner

https://github.com/rubygems/rubygems/commit/965e54b8f1

lib/rubygems/gemcutter_utilities/webauthn_listener.rb

@@ -33,17 +33,16 @@ module Gem::GemcutterUtilities
     end
 
     def self.listener_thread(host, server)
-      thread = Thread.new do
-        Thread.current[:otp] = new(host).wait_for_otp_code(server)
+      Thread.new do
+        thread = Thread.current
+        thread.abort_on_exception = true
+        thread.report_on_exception = false
+        thread[:otp] = new(host).wait_for_otp_code(server)
       rescue Gem::WebauthnVerificationError => e
-        Thread.current[:error] = e
+        thread[:error] = e
       ensure
         server.close
       end
-      thread.abort_on_exception = true
-      thread.report_on_exception = false
-
-      thread
     end
 
     def wait_for_otp_code(server)

lib/rubygems/gemcutter_utilities/webauthn_poller.rb

@@ -32,15 +32,14 @@ module Gem::GemcutterUtilities
     end
 
     def self.poll_thread(options, host, webauthn_url, credentials)
-      thread = Thread.new do
-        Thread.current[:otp] = new(options, host).poll_for_otp(webauthn_url, credentials)
+      Thread.new do
+        thread = Thread.current
+        thread.abort_on_exception = true
+        thread.report_on_exception = false
+        thread[:otp] = new(options, host).poll_for_otp(webauthn_url, credentials)
       rescue Gem::WebauthnVerificationError, Timeout::Error => e
-        Thread.current[:error] = e
+        thread[:error] = e
       end
-      thread.abort_on_exception = true
-      thread.report_on_exception = false
-
-      thread
     end
 
     def poll_for_otp(webauthn_url, credentials)