chore: Typo correction in yafti

Fixes ublue-os#2010

Author: KyleGospo

system_files/deck/shared/usr/share/ublue-os/firstboot/yafti.yml

@@ -59,7 +59,7 @@ screens:
           default: true
           packages:
           - Enable Updates: sudo -A ujust enable-deck-bios-firmware-updates
-        Visible Password Aestriks:
+        Visible Password Asterisks:
           description: Toggles pwfeedback on.
           default: true
           packages:

system_files/desktop/shared/usr/share/ublue-os/firstboot/yafti.yml

@@ -64,7 +64,7 @@ screens:
           default: true
           packages:
           - Set input group: sudo -A ujust add-user-to-input-group
-        Visible Password Aestriks:
+        Visible Password Asterisks:
             description: Toggles pwfeedback on.
             default: true
             packages: