dnssvcs module was broken after SDK release. (#4667)

* Enabled argument updated in docs for PDNS glb resource

* reverting the change made to main branch wrongly

* Updated the terraform code to make it work with lastest sdk

go.mod

@@ -22,7 +22,7 @@ require (
 	github.com/IBM/ibm-hpcs-tke-sdk v0.0.0-20211109141421-a4b61b05f7d1
 	github.com/IBM/ibm-hpcs-uko-sdk v0.0.20-beta
 	github.com/IBM/keyprotect-go-client v0.10.0
-	github.com/IBM/networking-go-sdk v0.40.0
+	github.com/IBM/networking-go-sdk v0.42.0
 	github.com/IBM/platform-services-go-sdk v0.38.1
 	github.com/IBM/push-notifications-go-sdk v0.0.0-20210310100607-5790b96c47f5
 	github.com/IBM/scc-go-sdk/v3 v3.1.6