feat: Add launch_template_tags variable for additional launch template tags

[kahirokunn]

What does this PR do?

add "launch_template_ignore_changes" option

Motivation

If I add a tag to additional_tags, it will be added to all of them, but there was a situation where I wanted to add an arbitrary tag only to the specifications_tags of launch_template_tag, and I want to make it supported.

eg.

locals {
  shared_tags = {
    Terraform   = "true"
    Service       = "Original_Food_Shop"
  }
}

provider "aws" {
  region = var.aws_region
  default_tags {
    tags = local.shared_tags
  }
}

...
managed_node_groups = {
  mg_m5 = {
    node_group_name      = "managed-ondemand"
    instance_types       = ["m5.large"]
    subnet_ids           = module.vpc.private_subnets
    min_size             = 2
    launch_template_tags = local.shared_tags
  }
}
...

More

• Yes, I have tested the PR using my local account setup (Provide any test evidence report under Additional Notes)
• Yes, I have added a new example under examples to support my PR
• Yes, I have created another PR for add-ons under add-ons repo (if applicable)
• Yes, I have updated the docs for this feature
• Yes, I ran pre-commit run -a with this PR

Note: Not all the PRs required examples and docs except a new pattern or add-on added.

For Moderators

• E2E Test successfully complete before merge?

Additional Notes

[vara-bonthu]

LGTM 👍🏼 Thanks for the PR @kahirokunn