Lighten PageLinks link color

Update PageLinks component styling: change base text color from text-gray-500 to text-gray-400 and adjust hover from hover:text-gray-600 to hover:text-gray-500 for a slightly lighter link and hover state. No functional changes.

Author: Deven14125

src/components/PageLinks/PageLinks.jsx

@@ -13,7 +13,7 @@ function Separator() {
 }
 
 const classes =
-  "text-gray-500 dark:text-gray-200 text-sm cursor-pointer font-sans hover:underline hover:text-gray-600 dark:hover:text-white transition-colors";
+  "text-gray-400 dark:text-gray-200 text-sm cursor-pointer font-sans hover:underline hover:text-gray-500 dark:hover:text-white transition-colors";
 
 function _handlePrintClick(event) {
   event.preventDefault();