feat: Allow configuring max_session_duration for the ECS Task Execution role

[amontalban]

Description

This PR allows configuring the max_session_duration parameter for the ECS Task Execution Role.

Motivation and Context

This comes after the refactor done in terraform-aws-modules/terraform-aws-atlantis that had this setting in previous versions but it is now not supported.

Reference: terraform-aws-modules/terraform-aws-atlantis#300

This is the output when running terraform-aws-modules/terraform-aws-atlantis including this PR:

 # module.ecs_service.aws_iam_role.task_exec[0] will be updated in-place
  ~ resource "aws_iam_role" "task_exec" {
        id                    = "atlantis-20240402160151197700000004"
      ~ max_session_duration  = 3600 -> 43200
        name                  = "atlantis-20240402160151197700000004"
        tags                  = {
            "Config file"    = "provider/aws/shared/us-west-2/atlantis/terragrunt.hcl"
            "Created By"     = "Terragrunt"
            "Environment"    = "shared"
            "GIT Repository" = "https://github.com/ACME/terraform"
        }
        # (10 unchanged attributes hidden)
    }

Breaking Changes

It is not a breaking change.

How Has This Been Tested?

• I have updated at least one of the examples/* to demonstrate and validate my change(s)
• I have tested and validated these changes using one or more of the provided examples/* projects

• I have executed pre-commit run -a on my pull request

[bryantbiggs]

makes sense - though, I do hope you are able to get those plan/apply times down 😅

[antonbabenko]

This PR is included in version 5.11.0 🎉

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