Changing Readme Basic info Tag for MGMT SDK GA PLR (#23577)

Author: vipray-ms

specification/newrelic/resource-manager/readme.md

@@ -27,7 +27,7 @@ These are the global settings for the newrelic.
 ```yaml
 openapi-type: arm
 openapi-subtype: rpaas
-tag: package-2022-07-01-preview
+tag: package-2022-07-01
 ```
 
 ### Tag: package-2022-07-01-preview