vendor: bump k8s to v0.25.4

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/k8s.io/client-go/tools/auth/OWNERS

@@ -1,9 +1,8 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 approvers:
-- sig-auth-authenticators-approvers
+  - sig-auth-authenticators-approvers
 reviewers:
-- sig-auth-authenticators-reviewers
+  - sig-auth-authenticators-reviewers
 labels:
-- sig/auth
-
+  - sig/auth

vendor/k8s.io/client-go/tools/auth/clientauth.go

@@ -45,20 +45,20 @@ client.Client from an authcfg.Info.
 
 Example:
 
-    import (
-        "pkg/client"
-        "pkg/client/auth"
-    )
+	import (
+	    "pkg/client"
+	    "pkg/client/auth"
+	)
 
-    info, err := auth.LoadFromFile(filename)
-    if err != nil {
-      // handle error
-    }
-    clientConfig = client.Config{}
-    clientConfig.Host = "example.com:4901"
-    clientConfig = info.MergeWithConfig()
-    client := client.New(clientConfig)
-    client.Pods(ns).List()
+	info, err := auth.LoadFromFile(filename)
+	if err != nil {
+	  // handle error
+	}
+	clientConfig = client.Config{}
+	clientConfig.Host = "example.com:4901"
+	clientConfig = info.MergeWithConfig()
+	client := client.New(clientConfig)
+	client.Pods(ns).List()
 */
 package auth