Release v1.27.4

Changelog

• 92cf3119 [MRS] Refactoring resource/opentelekomcloud_mrs_cluster_v1 (#1610)

• 79cb22f9 [ECS] Fix creating instance with image_name (#1609)

Full Changelog

https://docs.otc-service.com/releasenotes/terraform-provider-opentelekomcloud/#v1-27-4