Replace blue text in 'Show all' button in darkmode on the changelog p…

…age (#586)

client/src/pages/Changelog.tsx

@@ -82,7 +82,7 @@ export const Changelog = () => {
  {items.length > 10 && (
  <button
  onClick={() => toggleShowAll(month)}
- className='mt-4 underline dark:text-blue-400'
+ className='mt-4 underline dark:text-gray-400'
  >
  {expandedMonths.includes(month) ? 'Show less' : 'Show all'}
  </button>