Bump Rails default configuration from 6.1 to 7.0

config/application.rb

@@ -51,11 +51,14 @@
 module Samson
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.1
+    config.load_defaults 7.0
 
     # the new default of `true` breaks test/models/user_test.rb see https://github.com/rails/rails/issues/40867
     config.active_record.has_many_inversing = false
 
+    # the new default of `true` breaks redirecting to shields.io.
+    config.action_controller.raise_on_open_redirects = false
+
     # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
     config.force_ssl = (ENV["FORCE_SSL"] == "1")
     config.ssl_options = {redirect: {exclude: ->(request) { request.path.match?(/^\/ping(\/|$)/) }}}