Rule visibility_config required by wafv2_web_acl resource but terraform-aws-waf marks it as optional

[l3rady]

Describe the Bug

When running this module I am getting this error:

│ Error: Insufficient visibility_config blocks
│ 
│   on .terraform/modules/terraform-aws-wafv2.wafv2/rules.tf line 412, in resource "aws_wafv2_web_acl" "default":
│  412:     content {
│ 
│ At least 1 "visibility_config" blocks are required.

Many of the statement rules variables mark the visibility_config block as optional: https://github.com/cloudposse/terraform-aws-waf/blob/main/variables.tf#L165

However the wafv2_web_acl requires it in the rule block: https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/wafv2_web_acl#rule-block

Expected Behavior

Either require the rule visibility_config to be required in variables or have the module populate it automatically based on the global visibility_config settings and provide a sensible metric name

Steps to Reproduce

Config any rules without providing a visibility_config block inside the rule.

Screenshots

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Environment

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Additional Context

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