Fix seeder emails to match LDAP mail attributes

Seeded user emails were using example.com domains which don't match
the LDAP mail attributes (travel.local). When users log in via LDAP,
LdapRecord syncs by email — a mismatch caused new DB records to be
created without roles, preventing admin access to the Filament panel.

database/seeders/DatabaseSeeder.php

@@ -16,28 +16,28 @@ class DatabaseSeeder extends Seeder
         // Create roles
         $this->call(RoleSeeder::class);
 
-        // Create admin user
+        // Create admin user — email matches LDAP mail attribute
         $admin = User::factory()->create([
             'name' => 'Administrator',
-            'email' => 'admin@example.com',
+            'email' => 'admin@travel.local',
             'username' => 'admin',
             'password' => Hash::make('password'),
         ]);
         $admin->assignRole('administrator');
 
-        // Create a travel approver
+        // Create a travel approver — email matches LDAP mail attribute
         $approver = User::factory()->create([
             'name' => 'Travel Approver',
-            'email' => 'approver@example.com',
+            'email' => 'approver@travel.local',
             'username' => 'approver',
             'password' => Hash::make('password'),
         ]);
         $approver->assignRole('travel_approver');
 
-        // Create a staff user
+        // Create a staff user — email matches LDAP mail attribute
         $staff = User::factory()->create([
             'name' => 'Staff Member',
-            'email' => 'staff@example.com',
+            'email' => 'staff@travel.local',
             'username' => 'staff',
             'password' => Hash::make('password'),
         ]);