[PostgreSQL] [Migration Service] Change ms.subsevice to migration-guide

Author: markingmyname

articles/postgresql/migrate/migration-service/tutorial-migration-service-aws-offline.md

@@ -6,7 +6,7 @@ ms.author: adityaduvuri
 ms.reviewer: maghan
 ms.date: 06/20/2024
 ms.service: postgresql
-ms.subservice: flexible-server
+ms.subservice: migration-guide
 ms.topic: tutorial
 ms.custom:
   - devx-track-azurecli

articles/postgresql/migrate/migration-service/tutorial-migration-service-aws-online.md

@@ -6,7 +6,7 @@ ms.author: adityaduvuri
 ms.reviewer: maghan
 ms.date: 06/12/2024
 ms.service: postgresql
-ms.subservice: flexible-server
+ms.subservice: migration-guide
 ms.topic: tutorial
 ms.custom:
   - devx-track-azurecli

articles/postgresql/migrate/migration-service/tutorial-migration-service-iaas-offline.md

@@ -6,7 +6,7 @@ ms.author: adityaduvuri
 ms.reviewer: maghan
 ms.date: 06/13/2024
 ms.service: postgresql
-ms.subservice: flexible-server
+ms.subservice: migration-guide
 ms.topic: tutorial
 ms.custom:
   - devx-track-azurecli

articles/postgresql/migrate/migration-service/tutorial-migration-service-iaas-online.md

@@ -6,7 +6,7 @@ ms.author: adityaduvuri
 ms.reviewer: maghan
 ms.date: 06/13/2024
 ms.service: postgresql
-ms.subservice: flexible-server
+ms.subservice: migration-guide
 ms.topic: tutorial
 ms.custom:
   - devx-track-azurecli

articles/postgresql/migrate/migration-service/tutorial-migration-service-single-to-flexible.md

@@ -6,7 +6,7 @@ author: hariramt
 ms.author: hariramt
 ms.reviewer: maghan, adityaduvuri
 ms.date: 06/14/2024
-ms.service: postgresql
+ms.service: migration-guide
 ms.topic: tutorial
 ms.custom:
   - devx-track-azurecli