Chrome Headless deprecations

[gilzow]

Where on docs.platform.sh should be changed?

https://docs.platform.sh/add-services/headless-chrome.html
https://docs.upsun.com/add-services/headless-chrome.html

What exactly should be updated?

we will deprecate chrome-headless image versions 73, 80, 81, 83, 84, 86 for both psh/upsun they are not maintained anymore

Additional context

No response