```release-note:bug
resource/aws_elasticache_cluster: Allows specifying Redis 6.x
```

```release-note:bug
resource/aws_elasticache_replication_group: Allows specifying Redis 6.x
```

```release-note:enhancement
resource/aws_elasticache_global_replication_group: Adds parameter `engine_version_actual` to match other ElastiCache resources
```
