Fix new errors

[4RCarteri]

Errors found:

Error: creating ECS Service (raa-staging-api): InvalidParameterException: Unable to assume the service linked role. Please verify that the ECS service linked role exists.
[question link](https://wex.udemy.com/cour se/devops-deployment-automation-terraform-aws-docker/learn/lecture/43769716#questions/21904360)

Fixed by adding permission:

  "iam:CreateServiceLinkedRole",
  "iam:DeleteServiceLinkedRole",
  "iam:GetServiceLinkedRoleDeletionStatus"

Error: Error creating DB Subnet Group: AccessDenied: User: arn:aws:iam::422397288537:user/recipe-app-api-devops-ci is not authorized to perform: rds:AddTagsToResource on resource: arn:aws:rds:us-east-1:422397288537:subgrp:raad-staging-main
question link

Fixed by adding permission:

rds:AddTagsToResource

[AyushRanjan15]

I had the same errors while trying to create RDS. In addition to these:

│ Error: creating RDS DB Instance (raa-staging-db): InvalidParameterCombination: Cannot find version 15.3 for postgres

Which I fixed by just changing the engine_version = "17.5"