Add indexes to sessions table (#978)

Refs: laravel/framework@113ade3

modules/system/database/migrations/2023_09_24_000028_Db_System_Sessions_Indexes.php

@@ -0,0 +1,23 @@
+<?php
+
+use Winter\Storm\Database\Schema\Blueprint;
+use Winter\Storm\Support\Str;
+
+return new class extends \Winter\Storm\Database\Updates\Migration
+{
+    public function up()
+    {
+        Schema::table('sessions', function ($table) {
+            $table->index(['last_activity']);
+            $table->index(['user_id']);
+        });
+    }
+
+    public function down()
+    {
+        Schema::table('sessions', function ($table) {
+            $table->dropIndex(['last_activity']);
+            $table->dropIndex(['user_id']);
+        });
+    }
+};