Update CHANGELOG.md for #36518

CHANGELOG.md

@@ -15,6 +15,7 @@ ENHANCEMENTS:
 * resource/aws_appstream_fleet: Add `desired_sessions` argument to the `compute_capacity` block. ([#34266](https://github.com/hashicorp/terraform-provider-aws/issues/34266))
 * resource/aws_appstream_fleet: Add `max_sessions_per_instance` argument. ([#34266](https://github.com/hashicorp/terraform-provider-aws/issues/34266))
 * resource/aws_batch_job_definition: Add update functions instead of ForceNew. Add `deregister_on_new_revision` to allow keeping prior versions ACTIVE when a new revision is published. ([#35149](https://github.com/hashicorp/terraform-provider-aws/issues/35149))
+* resource/aws_db_instance: Adds warning when setting `character_set_name` when `replicate_source_db`, `restore_to_point_in_time`, or `snapshot_identifier` is set ([#36518](https://github.com/hashicorp/terraform-provider-aws/issues/36518))
 * resource/aws_emr_cluster: Add `unhealthy_node_replacement` argument ([#36523](https://github.com/hashicorp/terraform-provider-aws/issues/36523))
 * resource/aws_glue_data_catalog_encryption_settings: Add `data_catalog_encryption_settings.encryption_at_rest.catalog_encryption_service_role` argument ([#35978](https://github.com/hashicorp/terraform-provider-aws/issues/35978))
 * resource/aws_servicecatalogappregistry_application: Add `application_tag` attribute ([#36647](https://github.com/hashicorp/terraform-provider-aws/issues/36647))