add changelog

Author: hellertang

CHANGELOG.md

@@ -1,3 +1,21 @@
+## 1.81.21 (August 18, 2023)
+
+FEATURES:
+
+* **New Resource:** `tencentcloud_dlc_user` ([#2061](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2061))
+* **New Resource:** `tencentcloud_dlc_work_group` ([#2061](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2061))
+* **New Resource:** `tencentcloud_eb_event_connector` ([#2060](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2060))
+
+ENHANCEMENTS:
+
+* resource/tencentcloud_as_scaling_config: Support field `host_name` ([#2052](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2052))
+* resource/tencentcloud_ccn_attachment: support `route_ids` fields ([#2053](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2053))
+* resource/tencentcloud_cvm_reboot_instance: Deprecated `force_reboot` ([#2054](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2054))
+* resource/tencentcloud_dayu_l7_rules_v2: fix query results. ([#2062](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2062))
+* resource/tencentcloud_emr_cluster: Update `tags` logic ([#2059](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2059))
+* resource/tencentcloud_eni_sg_attachment: Update Document Description ([#2049](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2049))
+* resource/tencentcloud_nat_gateway: Optimize execution time ([#2058](https://github.com/tencentcloudstack/terraform-provider-tencentcloud/pull/2058))
+
 ## 1.81.20 (August 11, 2023)
 
 FEATURES: