Update argon.patch

.github/diy/patches/argon.patch

@@ -34,7 +34,7 @@
  -%}
  <!DOCTYPE html>
 -<html lang="{{ dispatcher.lang }}">
-+<html lang="{{ dispatcher.lang }}"{% if (mode == 'light'): %} data-darkmode="false"{% else: %} data-darkmode="false"{% endif %}>
++<html lang="{{ dispatcher.lang }}"{% if (mode == 'light'): %} data-darkmode="false"{% else: %} data-darkmode="true"{% endif %}>
  
  <head>
  	{% include("themes/" + theme + "/head_meta", { hostname: hostname, node: node, bar_color: bar_color, media: media }) %}