Changes in Lang Files Dashboard

Lang Path	Status	En Updates	PR
content/ja/docs/tasks/administer-cluster/cluster-upgrade.md # Last Commit: 2024-08-21	en-file-updated	Last update: 2025-12-08 Commit: Revise notes about cgroup v1 deprecation 2025-12-08 Merge Commit: Merge pull request #52613 from kubernetes/dev-1.35 2025-12-18 Commit: [en] fix typo in cluster-upgrade.md 2025-08-11 Merge Commit: Merge pull request #51874 from Arhell/en-typo 2025-08-11 Commit: Redo advice about cluster upgrades 2024-09-27 Merge Commit: Merge pull request #48110 from sftim/20240927_tweak_kubeadm_certs 2024-09-28