add changelog

Author: mikatong

.changelog/3236.txt

@@ -0,0 +1,15 @@
+```release-note:new-resource
+tencentcloud_cdwpg_account
+```
+
+```release-note:new-resource
+tencentcloud_cdwpg_restart_instance
+```
+
+```release-note:new-resource
+tencentcloud_cdwpg_upgrade_instance
+```
+
+```release-note:new-resource
+tencentcloud_cdwpg_userhba
+```