got the version number wrong

integration/apps/rails-seven/Gemfile

@@ -57,6 +57,6 @@ gem 'mutex_m'
 # Since the failure happens rather early in rails bootstrapping,
 # patching it is difficult, thus downgrade concurrent-ruby.
 # The issue is fixed in 7-1-stable and should be shipped in the release
-# after 7.1.5.1.
+# after 7.0.8.7.
 # See https://github.com/rails/rails/issues/54263
 gem 'concurrent-ruby', '1.3.4'