update working days type

BACKEND/database/migrations/2024_07_01_082531_create_monthly_timekeeping_table.php

@@ -15,7 +15,7 @@ return new class extends Migration
             $table->id();
             $table->integer('month');
             $table->integer('year');
-            $table->integer('working_days');
+            $table->float('working_days');
             $table->json('data');
             $table->timestamps();
         });