hugo: update example node version to 24 (LTS)

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

hugo.yaml

@@ -138,7 +138,7 @@ params:
   # Example runtime/library/os versions
   example_go_version: "1.25"
   example_alpine_version: "3.23"
-  example_node_version: "20"
+  example_node_version: "24"
 
 menus:
   # Site header menu