nit missed lol; version bump

Author: Tanq16

internal/web/templates/settings.html

@@ -37,7 +37,7 @@
         </header>
 
         <div class="info-field">
-            Version: <a id="version-link" href="https://github.com/tanq16/expenseowl/releases" target="_blank" rel="noopener noreferrer">dev</a>
+            Version: <a href="https://github.com/tanq16/expenseowl/releases/latest" target="_blank" rel="noopener noreferrer">v4.0</a>
             <span class="separator">|</span>
             <a href="https://github.com/tanq16/expenseowl/blob/main/README.md" target="_blank" rel="noopener noreferrer">Documentation</a>
             <span class="separator">|</span>