Fixes CVE-2023-1296. https://discuss.hashicorp.com/t/hcsec-2023-09-nomad-acls-can-not-deny-access-to-workloads-own-variables/51390 https://github.com/hashicorp/nomad/releases/tag/v1.4.6 https://github.com/hashicorp/nomad/releases/tag/v1.4.5