Update create-ssh-keys-detailed.md

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cc: @mattmcinnes

Author: cynthn

articles/virtual-machines/linux/create-ssh-keys-detailed.md

@@ -8,6 +8,7 @@ ms.topic: how-to
 ms.date: 08/18/2022
 ms.author: mattmcinnes
 ms.reviewer: jamesser
+ms.custom: GGAL-freshness822
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 # Detailed steps: Create and manage SSH keys for authentication to a Linux VM in Azure