Merge pull request #29091 from mengjiao-liu/fix-secret-name-ja

[ja] Fix secret name to be consistent with examples

Author: k8s-ci-robot

content/ja/docs/tasks/configmap-secret/managing-secret-using-kubectl.md

@@ -58,7 +58,7 @@ kubectl create secret generic db-user-pass \
 たとえば、実際のパスワードが`S!B\*d$zDsb=`の場合、次のようにコマンドを実行します:
 
 ```shell
-kubectl create secret generic dev-db-secret \
+kubectl create secret generic db-user-pass \
   --from-literal=username=devuser \
   --from-literal=password='S!B\*d$zDsb='
 ```