notifications-admin/app/assets/sass/uswds/_uswds-theme.scss

/*
----------------------------------------
USWDS with settings overrides
----------------------------------------
Uncomment the following lines and add a list of changed settings
in the form $setting: value,
----------------------------------------
*/

@use "uswds-core" with (
   $theme-font-type-sans: "public-sans",
   $theme-show-notifications: false
);