update azure blob store option description

Signed-off-by: Jeff Rescignano <jeffr@defenseunicorns.com>

Author: JeffResc

app/cli/cmd/casbackend_add_azureblob.go

@@ -102,7 +102,7 @@ func newCASBackendAddAzureBlobStorageCmd() *cobra.Command {
 
 	cmd.Flags().StringVar(&container, "container", "chainloop", "Storage Container Name")
 
-	cmd.Flags().StringVar(&endpoint, "endpoint", "", "Azure Blob endpoint suffix (e.g., blob.core.windows.net, blob.core.usgovcloudapi.net)")
+	cmd.Flags().StringVar(&endpoint, "endpoint", "", "Custom Azure Blob endpoint suffix (e.g., blob.core.usgovcloudapi.net), if not provided, the public Azure cloud endpoint will be used.")
 
 	return cmd
 }

app/cli/documentation/cli-reference.mdx

@@ -713,7 +713,7 @@ Options
 --client-id string         Service Principal Client ID
 --client-secret string     Service Principal Client Secret
 --container string         Storage Container Name (default "chainloop")
---endpoint string          Azure Blob endpoint suffix (e.g., blob.core.windows.net, blob.core.usgovcloudapi.net)
+--endpoint string          Custom Azure Blob endpoint suffix (e.g., blob.core.usgovcloudapi.net), if not provided, the public Azure cloud endpoint will be used.
 -h, --help                     help for azure-blob
 --storage-account string   Storage Account Name
 --tenant string            Active Directory Tenant ID