Update overview.md

Author: kabharati

articles/postgresql/flexible-server/overview.md

@@ -98,7 +98,7 @@ One advantage of running your workload in Azure is global reach. The flexible se
 | France Central | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
 | France South | :heavy_check_mark: (v3/v4 only) | :x: | :heavy_check_mark: | :heavy_check_mark: |
 | Germany West Central | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |  :heavy_check_mark: |
-| Italy North | :heavy_check_mark: (v3 only) | :x: | :heavy_check_mark: | :x: |
+| Italy North | :heavy_check_mark: (v3/v4 only) | :heavy_check_mark: | :heavy_check_mark: | :x: |
 | Japan East | :heavy_check_mark: (v3/v4 only) | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
 | Japan West | :heavy_check_mark: (v3/v4 only) | :x: | :heavy_check_mark: | :heavy_check_mark: |
 | Jio India West | :heavy_check_mark: (v3 only) | :x: | :heavy_check_mark: | :x: |