feat/apigw

Author: SevenEarth

.changelog/2064.txt renamed to .changelog/2077.txt

@@ -14,6 +14,14 @@ tencentcloud_api_gateway_plugins
 tencentcloud_api_gateway_upstreams
 ```
 
+```release-note:new-data-source
+tencentcloud_api_gateway_api_usage_plans
+```
+
+```release-note:new-data-source
+tencentcloud_api_gateway_api_app_service
+```
+
 ```release-note:enhancement
 resource/tencentcloud_api_gateway_api_app: Support `tag`
 ```