fix: point arch-go to upstream repo instead of fork (#5781)

Author: pycub

README.md

@@ -2421,7 +2421,7 @@ _Libraries for testing codebases and generating test data._
 ### Testing Frameworks
 
 - [apitest](https://apitest.dev) - Simple and extensible behavioural testing library for REST based services or HTTP handlers that supports mocking external http calls and rendering of sequence diagrams.
-- [arch-go](https://github.com/fdaines/arch-go) - Architecture testing tool for Go projects.
+- [arch-go](https://github.com/arch-go/arch-go) - Architecture testing tool for Go projects.
 - [assert](https://github.com/go-playground/assert) - Basic Assertion Library used along side native go testing, with building blocks for custom assertions.
 - [baloo](https://github.com/h2non/baloo) - Expressive and versatile end-to-end HTTP API testing made easy.
 - [be](https://github.com/carlmjohnson/be) - The minimalist generic test assertion library.