Update readme.md for latest SDK release (#24618)

Updating tag to release official SDKs based on latest preview version
2023-06-28 21:38:38 -07:00 · 2023-06-28 21:38:38 -07:00 · 4c49a05d22
--- a/specification/dnc/resource-manager/readme.md
+++ b/specification/dnc/resource-manager/readme.md
@ -26,7 +26,7 @@ These are the global settings for the DelegatedNetwork API.

 ``` yaml
 openapi-type: arm
-tag: package-2021-03-15
+tag: package-2023-05-18-preview
 ```

 ### Tag: package-2023-05-18-preview