CodeGen from PR 16309 in Azure/azure-rest-api-specs

PR to  make swagger changes for new event grid public SDK release (#16309)

* create baseline commit

* Add all the changes for new public SDK release

* fix the version

* fixing prettier check issues

* address pr comments

* fix arm version in readme

* Add extra line

* fix lintdiff issue

* Adding suppression and fixing sdk readme

* fix issues with go sdk path

Author: SDKAuto

schemas/2018-05-01/subscriptionDeploymentTemplate.json

@@ -818,6 +818,9 @@
             {
               "$ref": "https://schema.management.azure.com/schemas/2021-06-01-preview/Microsoft.EventGrid.json#/unknown_resourceDefinitions/eventSubscriptions"
             },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/2021-12-01/Microsoft.EventGrid.json#/unknown_resourceDefinitions/eventSubscriptions"
+            },
             {
               "$ref": "https://schema.management.azure.com/schemas/2020-01-01-preview/Microsoft.HybridNetwork.json#/subscription_resourceDefinitions/locations_vendors_networkFunctions"
             },