Add missing CHANGELOG entry (#24758).

Author: ewbankkit

CHANGELOG.md

@@ -22,6 +22,7 @@ ENHANCEMENTS:
 * resource/aws_ebs_volume: Add support for `multi_attach_enabled` with `io2` volumes ([#19060](https://github.com/hashicorp/terraform-provider-aws/issues/19060))
 * resource/aws_launch_template: Add `instance_requirements` argument ([#24543](https://github.com/hashicorp/terraform-provider-aws/issues/24543))
 * resource/aws_servicecatalog_provisioned_product: Wait for provisioning to finish ([#24758](https://github.com/hashicorp/terraform-provider-aws/issues/24758))
+* resource/aws_servicecatalog_provisioned_product: Wait for update to finish ([#24758](https://github.com/hashicorp/terraform-provider-aws/issues/24758))
 * resource/aws_spot_fleet_request: Add `overrides.instance_requirements` argument ([#24448](https://github.com/hashicorp/terraform-provider-aws/issues/24448))
 
 BUG FIXES: