Update CHANGELOG.md for #34820

Author: changelogbot

CHANGELOG.md

@@ -14,6 +14,7 @@ BUG FIXES:
 
 * resource/aws_cloudwatch_log_group: Remove default value (`STANDARD`) for `log_group_class` argument and mark as Computed. This fixes `InvalidParameterException: Only Standard log class is supported` errors in AWS Regions other than AWS Commercial ([#34812](https://github.com/hashicorp/terraform-provider-aws/issues/34812))
 * resource/aws_lb: Fix `InvalidConfigurationRequest: Load balancer attribute key 'dns_record.client_routing_policy' is not supported on load balancers with type 'network'` errors on resource Create in AWS GovCloud (US) ([#34135](https://github.com/hashicorp/terraform-provider-aws/issues/34135))
+* resource/aws_securitylake_data_lake: Fix `reflect.Set: value of type basetypes.StringValue is not assignable to type types.ARN` panic when importing resources with `nil` ARN fields ([#34820](https://github.com/hashicorp/terraform-provider-aws/issues/34820))
 
 ## 5.30.0 (December  7, 2023)