feat: update npm packages use terser to minify (#3614)

lnbits/static/scss/background.scss

@@ -1,6 +1,7 @@
 @use 'sass:color';
+@use 'themes';
 
-@each $theme, $colors in $themes {
+@each $theme, $colors in themes.$themes {
   body[data-theme='#{$theme}'] {
     @each $name, $color in $colors {
       @if $name== 'dark' {

lnbits/static/scss/base.scss

@@ -1,7 +1,7 @@
-@import 'themes';
-@import 'borders';
-@import 'background';
-@import 'home';
+@use 'themes';
+@use 'borders';
+@use 'background';
+@use 'home';
 
 [v-cloak] {
   display: none;

lnbits/static/scss/borders.scss

@@ -1,4 +1,6 @@
-@each $theme, $colors in $themes {
+@use 'themes';
+
+@each $theme, $colors in themes.$themes {
   @each $name, $color in $colors {
     @if $name== 'primary' {
       body[data-theme='#{$theme}'].neon-border {