Increase Cosmos DB resource name character limit

We've increased the Cosmos DB resource name character limit from 31 => 44.

Author: aliuy

articles/azure-resource-manager/management/resource-name-rules.md

@@ -341,7 +341,7 @@ In the following tables, the term alphanumeric refers to:
 > [!div class="mx-tableFixed"]
 > | Entity | Scope | Length | Valid Characters |
 > | --- | --- | --- | --- |
-> | databaseAccounts | global | 3-31 | Lowercase letters, numbers, and hyphens.<br><br>Start with lowercase letter or number. |
+> | databaseAccounts | global | 3-44 | Lowercase letters, numbers, and hyphens.<br><br>Start with lowercase letter or number. |
 
 ## Microsoft.EventGrid