Typo "CosmosDB Account"→"Cosmos DB Account" (#21950)

https://learn.microsoft.com/en-us/powershell/module/az.cosmosdb/get-azcosmosdbsqlroleassignment?view=azps-10.0.0
https://github.com/Azure/azure-powershell/blob/main/src/CosmosDB/CosmosDB/help/Get-AzCosmosDBSqlRoleAssignment.md
#PingMSFTDocs

Author: hyoshioka0128

src/CosmosDB/CosmosDB/help/Get-AzCosmosDBSqlRoleAssignment.md

@@ -90,7 +90,7 @@ Accept wildcard characters: False
 ```
 
 ### -ParentObject
-CosmosDB Account object
+Cosmos DB Account object
 
 ```yaml
 Type: Microsoft.Azure.Commands.CosmosDB.Models.PSDatabaseAccountGetResults