Update authz-authn.md

Fix link about http middleweare

Signed-off-by: wanghonglei5181 <[email protected]>

docs/developer-guide/architecture/authz-authn.md

@@ -104,6 +104,6 @@ elements are described below with their respective numbers:
 [3]: https://en.wikipedia.org/wiki/Representational_state_transfer
 [4]: https://grpc.io/
 [5]: https://casbin.org/
-[6]: https://github.com/golang/go/wiki/LearnServerProgramming#middleware
+[6]: https://go.dev/wiki/LearnServerProgramming#middleware
 [7]: https://en.wikipedia.org/wiki/Role-based_access_control
 [8]: https://pkg.go.dev/net/http#ServeMux