Fix typo Authorizaion to Authorization (#2909)

* Fix typo Authorizaion  to Authorization

* Update authorization_policy.proto

Fix typo from Authorizaion to Authorization

Author: zioproto

security/v1/authorization_policy.pb.go

@@ -174,7 +174,7 @@ import "type/v1beta1/selector.proto";
 // {{<tab name="v1beta1" category-value="v1beta1">}}
 // ```yaml
 // apiVersion: security.istio.io/v1beta1
-// kind: AuthorizaionPolicy
+// kind: AuthorizationPolicy
 // metadata:
 //   name: httpbin
 //   namespace: foo