feat: support gateway_services (#1975)

* feat: support gateway_services

* fix: fmt

* feat: support tse cngw

* fix: modify test

* feat: add changelog

* fix: mModify field properties

---------

Co-authored-by: anonymous <anonymous@mail.org>

Author: gitmkn

.changelog/1975.txt

@@ -0,0 +1,11 @@
+```release-note:new-data-source
+tencentcloud_tse_gateway_services
+```
+
+```release-note:new-resource
+tencentcloud_tse_cngw_service
+```
+
+```release-note:new-resource
+tencentcloud_tse_cngw_canary_rule
+```

tencentcloud/basic_test.go

@@ -1078,8 +1078,15 @@ const (
 	defaultEngineResourceSpec = "spec-qvj6k7t4q"
 	defaultTseVpcId           = "vpc-4owdpnwr"
 	defaultTseSubnetId        = "subnet-dwj7ipnc"
+	defaultTseGatewayId       = "gateway-ddbb709b"
 )
 
+const DefaultTseVar = `
+variable "gateway_id" {
+  default = "` + defaultTseGatewayId + `"
+}
+`
+
 // End of TSE
 
 // ES