Update CHANGELOG.md for #32171

Author: changelogbot

CHANGELOG.md

@@ -27,6 +27,7 @@ BUG FIXES:
 * resource/aws_quicksight_analysis: Fix schema mapping for string set elements ([#31903](https://github.com/hashicorp/terraform-provider-aws/issues/31903))
 * resource/aws_redshiftserverless_workgroup: Fix `waiting for completion: unexpected state 'AVAILABLE'` errors when deleting resource ([#32067](https://github.com/hashicorp/terraform-provider-aws/issues/32067))
 * resource/aws_route_table: Fix `reading Route Table (rtb-abcd1234): couldn't find resource` errors when reading new resource ([#30999](https://github.com/hashicorp/terraform-provider-aws/issues/30999))
+* resource/aws_storagegateway_smb_file_share: Fix update error when `kms_encrypted` is `true` but `kms_key_arn` is not sent in the request ([#32171](https://github.com/hashicorp/terraform-provider-aws/issues/32171))
 
 ## 5.4.0 (June 15, 2023)