Fix governorate migration: skip if column already exists

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

database/migrations/2024_01_01_000080_add_governorate_to_people_table.php

@@ -8,9 +8,11 @@
 {
     public function up(): void
     {
-        Schema::table('people', function (Blueprint $table) {
-            $table->string('governorate', 100)->nullable()->after('national_id');
-        });
+        if (!Schema::hasColumn('people', 'governorate')) {
+            Schema::table('people', function (Blueprint $table) {
+                $table->string('governorate', 100)->nullable()->after('national_id');
+            });
+        }
     }
 
     public function down(): void