Convert migrations to anonymous classes (#1834)

Author: actions-user

database/migrations/2024_02_22_100000_create_opayo_tokens_table.php

@@ -4,9 +4,9 @@
 use Illuminate\Support\Facades\Schema;
 use Lunar\Base\Migration;
 
-class CreateOpayoTokensTable extends Migration
+return new class extends Migration
 {
-    public function up()
+    public function up(): void
     {
         Schema::create($this->prefix.'opayo_tokens', function (Blueprint $table) {
             $table->id();
@@ -20,8 +20,8 @@ public function up()
         });
     }
 
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists($this->prefix.'opayo_tokens');
     }
-}
+};