Added Government Private DNS Zones for Azure Cosmos DB APIs

The Cassandra, Gremlin, and Table Azure Cosmos DB APIs support private endpoint, but did not have corresponding Private DNS zones in this documentation. This change adds the Private DNS zones to

Author: ayanMSFT

articles/private-link/private-endpoint-dns.md

@@ -270,6 +270,9 @@ For Azure services, use the recommended zone names as described in the following
 >| Azure SQL Managed Instance (Microsoft.Sql/managedInstances) | managedInstance | privatelink.{dnsPrefix}.database.usgovcloudapi.net | {instanceName}.{dnsPrefix}.database.usgovcloudapi.net |
 >| Azure Cosmos DB (Microsoft.DocumentDB/databaseAccounts) | Sql | privatelink.documents.azure.us | documents.azure.us |
 >| Azure Cosmos DB (Microsoft.DocumentDB/databaseAccounts) | MongoDB | privatelink.mongo.cosmos.azure.us | mongo.cosmos.azure.us |
+>| Azure Cosmos DB (Microsoft.DocumentDB/databaseAccounts) | Cassandra | privatelink.cassandra.cosmos.azure.us | cassandra.cosmos.azure.us |
+>| Azure Cosmos DB (Microsoft.DocumentDB/databaseAccounts) | Gremlin | privatelink.gremlin.cosmos.azure.us | gremlin.cosmos.azure.us |
+>| Azure Cosmos DB (Microsoft.DocumentDB/databaseAccounts) | Table | privatelink.table.cosmos.azure.us | table.cosmos.azure.us |
 >| Azure Database for PostgreSQL - Single server (Microsoft.DBforPostgreSQL/servers) | postgresqlServer | privatelink.postgres.database.usgovcloudapi.net | postgres.database.usgovcloudapi.net |
 >| Azure Database for PostgreSQL - Flexible server (Microsoft.DBforPostgreSQL/flexibleServers) | postgresqlServer | privatelink.postgres.database.usgovcloudapi.net | postgres.database.usgovcloudapi.net |
 >| Azure Database for MySQL - Single Server (Microsoft.DBforMySQL/servers) | mysqlServer | privatelink.mysql.database.usgovcloudapi.net | mysql.database.usgovcloudapi.net |