Update tfe_notification_configuration to sensitive url (#1799)

Author: jillirami

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## Unreleased
 
+BUG FIXES:
+* `r/tfe_notification_configuration`: update url attribute to be sensitive, by @jillirami [#1799](https://github.com/hashicorp/terraform-provider-tfe/pull/1799)
+
 ## v0.68.2
 
 BUG FIXES:

internal/provider/resource_tfe_notification_configuration.go

@@ -254,6 +254,7 @@ func (r *resourceTFENotificationConfiguration) Schema(ctx context.Context, req r
 			"url": schema.StringAttribute{
 				Description: "The HTTP or HTTPS URL where notification requests will be made. This value must not be provided if `email_addresses` or `email_user_ids` is present, or if `destination_type` is `email`.",
 				Optional:    true,
+				Sensitive:   true,
 				Validators: []validator.String{
 					validators.AttributeRequiredIfValueString(
 						"destination_type",