fix: 🐛 update links in node group guide

runbooks/source/node-group-changes.html.md.erb

@@ -124,9 +124,9 @@ The `cordon-and-drain` pipeline takes 5 minutes per node, so takes approximately
 [cluster node group]: https://github.com/ministryofjustice/cloud-platform-infrastructure/blob/97768bfd8b4e25df6f415035acac60cf531d88c1/terraform/aws-accounts/cloud-platform-aws/vpc/eks/cluster.tf#L60
 [instance type config]: https://github.com/ministryofjustice/cloud-platform-infrastructure/blob/97768bfd8b4e25df6f415035acac60cf531d88c1/terraform/aws-accounts/cloud-platform-aws/vpc/eks/cluster.tf#L43
 [deleting the old node group]: https://github.com/ministryofjustice/cloud-platform-infrastructure/pull/2663
-[updated changes]: https://github.com/ministryofjustice/cloud-platform-infrastructure/pull/3296/files
+[updated changes]: https://github.com/ministryofjustice/cloud-platform-infrastructure/pull/3289/files
 [cordons and drains nodes]: https://github.com/ministryofjustice/cloud-platform-terraform-concourse/blob/main/pipelines/manager/main/cordon-and-drain-nodes.yaml
-[this script]: https://github.com/ministryofjustice/cloud-platform-terraform-concourse/blob/7851f741e6c180ed868a97d51cec0cf1e109de8d/pipelines/manager/main/cordon-and-drain-nodes.yaml#L50
+[this script]: https://github.com/ministryofjustice/cloud-platform-terraform-concourse/blob/main/pipelines/manager/main/cordon-and-drain-nodes.yaml#L39
 [infrastructure-account/terraform-apply]: https://concourse.cloud-platform.service.justice.gov.uk/teams/main/pipelines/infrastructure-account/jobs/terraform-apply
 [launch template]: https://github.com/ministryofjustice/cloud-platform-infrastructure/blob/e18d678712871ca732a4696cfd77710230523ac3/terraform/aws-accounts/cloud-platform-aws/vpc/eks/templates/user-data-140824.tpl
 [typically suffixed with the date of the changes]: https://github.com/ministryofjustice/cloud-platform-infrastructure/pull/2657/files