Update CHANGELOG.md for #36855

CHANGELOG.md

@@ -17,6 +17,7 @@ ENHANCEMENTS:
 
 BUG FIXES:
 
+* provider: Change the default AWS SDK for Go v2 API client [`MaxBackoff`](https://aws.github.io/aws-sdk-go-v2/docs/configuring-sdk/retries-timeouts/#limiting-the-max-back-off-delay) value to 300 seconds so that services migrated to AWS SDK for Go v2 maintain behavioral compatibility with AWS SDK for Go v1 ([#36855](https://github.com/hashicorp/terraform-provider-aws/issues/36855))
 * resource/aws_datasync_location_object_storage: Allow update to `agent_arns` ([#36819](https://github.com/hashicorp/terraform-provider-aws/issues/36819))
 * resource/aws_devopsguru_notification_channel: Fix persistent diff when `filters.message_types` or `filters.severities` contains multiple elements ([#36804](https://github.com/hashicorp/terraform-provider-aws/issues/36804))
 * resource/aws_securityhub_configuration_policy: Mark `configuration_policy.enabled_standard_arns` as Optional, fixing `InvalidInputException: Invalid semantics: Enabled standards and security control configurations must be configured when Security Hub is enabled` errors ([#36740](https://github.com/hashicorp/terraform-provider-aws/issues/36740))