Debian package: Ubuntu is supported through 22.10

Author: michaelklishin

site/install-debian.md

@@ -79,7 +79,7 @@ i.e. inline with [distribution EOL policy](https://wiki.debian.org/DebianRelease
 
 Currently the list of supported Debian-based distributions includes
 
- * Ubuntu 18.04 through 21.04
+ * Ubuntu 18.04 through 22.10
  * Debian Buster (10), Bullseye (11), and Sid ("unstable")
 
 The package may work on other Debian-based distributions