Long Term Support (LTS) channel for ChromeOS - Major update from 96 -> 102 https://chromereleases.googleblog.com/2022/09/long-term-support-lts-channel-for.html
That is notification for LTS version which is as it looks still on 108. More info here: https://support.google.com/chrome/a/answer/12239814?hl=en