fix: wrong diagram path for kubeflow auth . (#2862)

Signed-off-by: Cyber Nagle <nagle.zhang@qq.com>

common/oauth2-proxy/README.md

@@ -78,7 +78,7 @@ when client calls API to list the KF Pipeline Runs:
 
 ### Auth analysis diagram for Kubeflow Pipelines
 
-![Kubeflow Auth Diagram](./kubeflow_auth_diagram.svg)
+![Kubeflow Auth Diagram](./components/kubeflow_auth_diagram.svg)
 
 ## Kubeflow Notebooks User and M2M Authentication and Authorization
 
@@ -132,4 +132,4 @@ This is based on the following:
 [^3]: [oauth2-proxy](https://github.com/oauth2-proxy/oauth2-proxy)
 [^4]: [Kubernetes TokenReview](https://kubernetes.io/docs/reference/kubernetes-api/authentication-resources/token-review-v1/)
 [^5]: [Kubernetes SubjectAccessReview](https://kubernetes.io/docs/reference/kubernetes-api/authorization-resources/subject-access-review-v3/)
-[^6]: [Kube RBAC Proxy](https://github.com/brancz/kube-rbac-proxy)
+[^6]: [Kube RBAC Proxy](https://github.com/brancz/kube-rbac-proxy)