我按照本教程将 ubuntu 21.04 hirsute 升级到 22.04，在第 6 步中失败并抛出以下错误，请帮助我解决此问题
Reading cache
Checking package manager
Can not upgrade
An upgrade from 'hirsute' to 'jammy' is not supported with this tool.
https://linuxconfig.org/how-to-upgrade-ubuntu-to-22-04-lts-jammy-jellyfish