docs: add windows 8 and 8.1 support end section

Refs microsoft/vscode#177676

release-notes/v1_79.md

@@ -660,6 +660,10 @@ Some custom and notebook editors however may no longer be functional after havin
 
 We plan to further develop this experience in the next milestone so stay tuned for more!
 
+### Windows 8 and 8.1 support has ended
+
+As mentioned in our [v1.77 release notes](https://code.visualstudio.com/updates/v1_77#_eol-warning-for-windows-8-and-81), `v1.79` is the last release that supports Windows 8 / Windows Server 2012 and Windows 8.1 / Windows Server 2012 R2. Please refer to our [FAQ](https://code.visualstudio.com/docs/supporting/faq#_can-i-run-vs-code-on-older-windows-versions) for additional information.
+
 ### Milestone automation
 
 We have implemented automated milestone replication throughout all of our GitHub repositories. This means that the monthly milestones established in `microsoft/vscode` serve as the foundation for all other milestones that are created and maintained.