Make upgrade function work across hosts

fish/.config/fish/functions/upgrade.fish

@@ -3,5 +3,6 @@ function upgrade
 	ssh -t root@box.onec.me "apt upgrade -y"
 	ssh -t powellc@rhea.unbl.ink "sudo apt upgrade -y"
 	ssh -t powellc@rhea.unbl.ink -t dione.local "sudo apt upgrade -y"
-	sudo apt upgrade -y
+	ssh -t powellc@rhea.unbl.ink -t titan.local "sudo apt upgrade -y"
+	ssh -t powellc@rhea.unbl.ink -t iapetus.local "sudo apt upgrade -y"
 end