fix: Add Global Writer endpoint to the outputs

[fatbasstard]

This PR adds the Global Writer endpoint to the outputs.

When creation a Global Database we need this output

[github-actions]

Terraform Format and Style 🖌success

Terraform Initialization ⚙️``

Terraform Lint 📖success

Terraform Validation 🤖success

Validation Output

Warning: Argument is deprecated

  with module.vpc.aws_eip.nat,
  on .terraform/modules/vpc/main.tf line 1044, in resource "aws_eip" "nat":
1044:   vpc = true

use domain attribute instead
Success! The configuration is valid, but there were some validation warnings
as shown above.