after istio upgraded to 1.10,the community page url has changed to ht… (

istio#33273)

* after istio upgraded to 1.10,the community page url has changed to https://istio.io/latest/get-involved/

* update [containernetworking sample plugin] url

SUPPORT.md

@@ -4,4 +4,4 @@ Here are some resources to help you understand and use Istio:
 
 - For in-depth information about how to use Istio, visit [istio.io](https://istio.io)
 - To ask questions and get assistance from our community, visit [discuss.istio.io](https://discuss.istio.io)
-- To learn how to participate in our overall community, visit [our community page](https://istio.io/about/community)
+- To learn how to participate in our overall community, visit [our community page](https://istio.io/latest/get-involved/)

cni/README.md

@@ -101,7 +101,7 @@ $ gcloud logging read "resource.type=k8s_node AND jsonPayload.SYSLOG_IDENTIFIER=
 ## Reference
 
 The framework for this implementation of the CNI plugin is based on the
-[containernetworking sample plugin](https://github.com/containernetworking/plugins/blob/master/plugins/sample)
+[containernetworking sample plugin](https://github.com/containernetworking/plugins/tree/master/plugins/sample)
 
 The details for the deployment & installation of this plugin were pretty much lifted directly from the
 [Calico CNI plugin](https://github.com/projectcalico/cni-plugin).