feat: Add instance tag specifications to Launch Template

[Reuuke]

PR o'clock

Description

Our company has a policy on the mandatory tags of resources.
If "Tag instances" are not set in the Launch Template, an error occurs:

Error: Error creating AutoScaling Group: AccessDenied: You are not authorized to use launch template: lt-0d9b738051139aab9
	status code: 403, request id: 8db8541f-69d2-4vdc-b4cb-25c920ed342f

  on .terraform/modules/eks/terraform-aws-modules-terraform-aws-eks-ca3d1e1/workers_launch_template.tf line 3, in resource "aws_autoscaling_group" "workers_launch_template":
   3: resource "aws_autoscaling_group" "workers_launch_template" {

The reason is the invocation of "ec2: RunInstances" when the Launch Template is attached to the AutoScaling Group at creation.

Checklist

• CI tests are passing
• README.md has been updated after any changes to variables and outputs. See https://github.com/terraform-aws-modules/terraform-aws-eks/#doc-generation

[barryib]

Duplicates #762.

@Reuuke can you please have a look at #762 (comment) and answer the @max-rocket-internet 's question ?

[barryib]

Thanks @Reuuke for your contribution.

[github-actions]

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