vpc: subnets module does not support Melbourne region

[mtb-xt]

Describe the Bug

VPC component in this repo uses subnets module version, that doesn't support Melbourne opt-in region (ap-southeast-4).
vpc/main.tf#L142

The issue is that cloudposse/dynamic-subnets/aws version 2.3.0 uses cloudposse/utils version 1.1.0, which was released when Melbourne wasn't in its code.

cloudposse/dynamic-subnets/aws 2.4.0 uses cloudposse/utils version 1.3.0, which includes support for Melbourne
(It was actually added in utils 1.2.0 - cloudposse/terraform-aws-utils#26)

It would be great, if this component could be updated to use cloudposse/dynamic-subnets/aws 2.4.0 or higher.

Expected Behavior

Deployment of a vpc works in ap-southeast-4.

Steps to Reproduce

Use the VPC component with these variables:

# Variables for the component 'vpc' in the stack 'core-apse4-network':
availability_zones:
- a
- b
- c
enabled: true
environment: apse4
map_public_ip_on_launch: false
max_subnet_count: 3
region: ap-southeast-4
stage: network

run the stack and observe the error atmos terraform apply vpc -s core-apse4-network

Planning failed. Terraform encountered an error while generating this plan.

│ Error: Invalid index
│
│   on .terraform/modules/subnets/main.tf line 71, in locals:
│   71:   subnet_az_abbreviations = [for az in local.subnet_availability_zones : local.az_abbreviation_map[az]]
│     ├────────────────
│     │ local.az_abbreviation_map is object with 271 attributes
│
│ The given key does not identify an element in this collection value.
╵
╷
│ Error: Invalid index
│
│   on .terraform/modules/subnets/main.tf line 71, in locals:
│   71:   subnet_az_abbreviations = [for az in local.subnet_availability_zones : local.az_abbreviation_map[az]]
│     ├────────────────
│     │ local.az_abbreviation_map is object with 271 attributes
│
│ The given key does not identify an element in this collection value.
╵
╷
│ Error: Invalid index
│
│   on .terraform/modules/subnets/main.tf line 71, in locals:
│   71:   subnet_az_abbreviations = [for az in local.subnet_availability_zones : local.az_abbreviation_map[az]]
│     ├────────────────
│     │ local.az_abbreviation_map is object with 271 attributes
│
│ The given key does not identify an element in this collection value.
╵
exit status 1

Screenshots

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Environment

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Additional Context

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