Update backup logic to use activity logs, not audit logs

database/migrations/2022_05_28_135717_create_activity_logs_table.php

@@ -20,7 +20,6 @@ class CreateActivityLogsTable extends Migration
             $table->string('ip');
             $table->text('description')->nullable();
             $table->nullableNumericMorphs('actor');
-            $table->nullableNumericMorphs('subject');
             $table->json('properties');
             $table->timestamp('timestamp')->useCurrent()->onUpdate(null);
         });

database/migrations/2022_05_29_140349_create_activity_log_actors_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateActivityLogActorsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('activity_log_subjects', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('activity_log_id')->references('id')->on('activity_logs');
+            $table->numericMorphs('subject');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('activity_log_subject');
+    }
+}