fix: link to oauth configuration (#22)

related to https://github.com/gitpod-io/website/pull/963

Author: ghuntley

README.md

@@ -108,7 +108,7 @@ It should display the gitpod login page similar to the next image.
 
 ## Update Gitpod auth providers
 
-Please check the [OAuth providers integration documentation](https://www.gitpod.io/docs/self-hosted/0.5.0/install/oauth) expected format.
+Please check the [OAuth providers integration documentation](https://www.gitpod.io/docs/self-hosted/latest/configuration/authentication) expected format.
 
 We provide an [example here](./auth-providers-patch.yaml). Fill it with your OAuth providers data.