chore: Bump frontend version to Beta v1.0.5

Author: LotusSerene

frontend/lib/screens/landing_screen.dart

@@ -62,7 +62,7 @@ class LandingScreen extends StatelessWidget {
           ),
           const SizedBox(height: 16),
           Text(
-            'Beta v1.0.4',
+            'Beta v1.0.5',
             style: Theme.of(context).textTheme.bodySmall?.copyWith(
                   color: Theme.of(context).colorScheme.primary,
                 ),