Apply the Recommended Load balancer controller policy to v4

[allamand]

Description

Motivation and Context

• Resolves Issue where the policy for load balancer controller is exceeding the 6144 character limit

│ Error: updating IAM Policy (arn:aws-cn:iam::123456789:policy/cn-northwest-1-cluster-lb-irsa): LimitExceeded: Cannot exceed quota for PolicySize: 6144
│       status code: 409, request id: 160721f9-bf36-4e4f-a085-788b3e8dc5ab
│ 
│   with module.eks_cluster.module.kubernetes_addons.module.aws_load_balancer_controller[0].aws_iam_policy.aws_load_balancer_controller,
│   on .terraform/modules/eks_cluster.kubernetes_addons/modules/kubernetes-addons/aws-load-balancer-controller/main.tf line 10, in resource "aws_iam_policy" "aws_load_balancer_controller":
│   10: resource "aws_iam_policy" "aws_load_balancer_controller" {

apply the recommended policy : https://raw.githubusercontent.com/kubernetes-sigs/aws-load-balancer-controller/v2.6.1/docs/install/iam_policy.json

How was this change tested?

• Yes, I have tested the PR using my local account setup (Provide any test evidence report under Additional Notes)
• Yes, I have updated the docs for this feature
• Yes, I ran pre-commit run -a with this PR

Additional Notes