fix: Fixes issue #59 could not delete a user

database/migrations/2023_09_08_102717_create_actitivy_logs_table.php

@@ -16,6 +16,8 @@ return new class extends Migration
         Schema::create('activity_logs', function (Blueprint $table) {
             $table->id();
             $table->foreignId('user_id')->nullable()->constrained('users')
+                ->cascadeOnUpdate()
+                ->nullOnDelete()
                 ->comment('Id of the user associated, or nullable for a deleted user.');
             $table->boolean('is_anonymous')->comment('If there is no user connected when action was realised.');
             $table->boolean('is_console')->comment('If the action was realised in console.');