Added WinRM HTTPS and Seoul AWS region to changelog

CHANGELOG.md

@@ -19,8 +19,10 @@ IMPROVEMENTS:
   * core: Packer now indicates line numbers for template parse errors [GH-2742]
   * core: Scripts are executed via `/usr/bin/env bash` instead of `/bin/bash` for broader compatibility. [GH-2913]
   * core: `target_path` for builder downloads can now be specified. [GH-2600]
+  * core: WinRM communicator now supports HTTPS protocol [GH-3061]
   * builder/amazon: Add support for `ebs_optimized` [GH-2806]
   * builder/amazon: You can now specify `0` for `spot_price` to switch to on demand instances [GH-2845]
+  * builder/amazon: Added `ap-northeast-2` (Seoul) [GH-3056]
   * builder/google: `account_file` can now be provided as a JSON string [GH-2811]
   * builder/google: added support for `preemptible` instances [GH-2982]
   * builder/parallels: Improve support for Parallels 11 [GH-2662]