Revert to simpler disk_size --> 80GB fix

[spwoodcock]

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[github-actions]

tofu apply -chdir=terraform tfplan

Diff of 1 change.

! aws_eks_node_group.core_nodes must be replaced

Error: Saved plan is stale

By @spwoodcock at 2026-03-21T03:17:52Z (view log).

Error: Saved plan is stale

The given plan file can no longer be applied because the state was changed by
another operation after the plan was created.