```release-note:enhancement
data/source_aws_eks_addon: added validation for `cluster_name`
```

```release-note:enhancement
data/source_aws_eks_cluster: added validation for `cluster_name`
```

```release-note:enhancement
resource/aws_eks_addon: added validation for `cluster_name`
```

```release-note:enhancement
resource/aws_eks_cluster: added validation for `name`
```

```release-note:enhancement
resource/aws_eks_fargate_profile: added validation for `cluster_name`
```

```release-note:enhancement
resource/aws_eks_node_group: added validation for `cluster_name`
```
