fix: Update EKS module to support AL2023 bootstrapping

[alanty]

What does this PR do?

This PR updates the EKS terraform module to bring in support for NodeADM bootstrapping.
it also updates the IAM configuration for Karpenter to use access_entries instead of aws_auth_roles.

Motivation

#688 added MNG using AL2023 AMIs which require newer Bootstrapping:

      cloudinit_pre_nodeadm = [
        {
          content_type = "application/node.eks.aws"
          content      = <<-EOT
            ---
            apiVersion: node.eks.aws/v1alpha1
            kind: NodeConfig
            spec:
              instance:
                localStorage:
                  strategy: RAID0
          EOT
        }
      ]

This cloudinit_pre_nodeadm property isn't supported in version 19.x of the EKS terraform module, and the aws_auth entries we use are removed in 20.x+

More

• Yes, I have tested the PR using my local account setup (Provide any test evidence report under Additional Notes)
• Mandatory for new blueprints. Yes, I have added a example to support my blueprint PR
• Mandatory for new blueprints. Yes, I have updated the website/docs or website/blog section for this feature
• Yes, I ran pre-commit run -a with this PR. Link for installing pre-commit locally

For Moderators

• E2E Test successfully complete before merge?

Additional Notes

I was able to check the ephemeral storage thats being returned from the spark_benchmark_ssd

Capacity:
  cpu:                48
  ephemeral-storage:  1756689344Ki
  hugepages-1Gi:      0
  hugepages-2Mi:      0
  memory:             96758624Ki
  pods:               234

1756689344Ki == 1675.3Gi which matches the NVMe space

checking the volumes on the node and it looks like the RAID was setup correctly

[root@ip-100-64-176-24 bin]# df -h
Filesystem        Size  Used Avail Use% Mounted on
devtmpfs          4.0M     0  4.0M   0% /dev
tmpfs              47G     0   47G   0% /dev/shm
tmpfs              19G  1.9M   19G   1% /run
/dev/nvme0n1p1    100G  2.8G   98G   3% /
tmpfs              47G     0   47G   0% /tmp
/dev/nvme0n1p128   10M  1.3M  8.7M  13% /boot/efi
/dev/md127        1.7T   13G  1.7T   1% /mnt/k8s-disks/0

[vara-bonthu]

/lgtm