Point back to main since the PR was merged

Gemfile.saas

@@ -6,6 +6,6 @@ git_source(:bc) { |repo| "https://github.com/basecamp/#{repo}" }
 
 gem "activeresource", require: "active_resource"
 gem "queenbee", bc: "queenbee-plugin"
-gem "fizzy-saas", bc: "fizzy-saas", branch: "extract-signup"
+gem "fizzy-saas", bc: "fizzy-saas"
 gem "rails_structured_logging", bc: "rails-structured-logging"
 

Gemfile.saas.lock

@@ -1,7 +1,6 @@
 GIT
   remote: https://github.com/basecamp/fizzy-saas
-  revision: 3b012b9ffa7c8fdc1e4b9f5aa7d866ed4108a8ff
+  revision: 8a651bff6133259fa8ea0370ccc5b51588cb3526
-  branch: extract-signup
   specs:
     fizzy-saas (0.1.0)
       queenbee