sway: use font-awesome 7

Author: Stunkymonkey

sway/config

@@ -309,7 +309,7 @@ client.focused_inactive	$color_bg_inactive	$color_bg_inactive	$color_text_inacti
 client.urgent			$color_bg_urgent	$color_bg_urgent	$color_text				$color_indicator	$color_bg
 
 bar {
-	font pango:FiraCode, Font Awesome 6 Free
+	font pango:FiraCode, Font Awesome 7 Free
 	status_command i3status-rs
 	position top
 	workspace_buttons yes