chore: Add timeout call to secure boot key enroll command to match ch…

…anges in isogenerator (#189)

build/ublue-os-just/00-default.just

@@ -38,7 +38,7 @@ changelogs:
 # Enroll Nvidia driver & KMOD signing key for secure boot - Enter password "ublue-os" if prompted
 enroll-secure-boot-key:
     echo 'Enter password "ublue-os" if prompted after your user password.'
-    sudo mokutil --import /etc/pki/akmods/certs/akmods-ublue.der
+    sudo mokutil --import /etc/pki/akmods/certs/akmods-ublue.der --timeout -1
 
 # Upgrade Distrobox to the latest git version
 distrobox-git: