fix: [audit logs] change field changed to mediumblob

- AAAAAAAaaaaaaaaaaaaaaaaaAAAAAAAAAAAAAAAAAAaaaaaaaaaaAAAAAAAAAAaaaaaaaaAAAAAAAAAAAAaaargh

config/Migrations/20221111000001_support_for_megalomaniac_pgp_keys_round2.php

@@ -0,0 +1,25 @@
+<?php
+declare(strict_types=1);
+
+use Migrations\AbstractMigration;
+use Phinx\Db\Adapter\MysqlAdapter;
+
+final class SupportForMegalomaniacPgpKeysRound2 extends AbstractMigration
+{
+    /**
+     * Change Method.
+     *
+     * Write your reversible migrations using this method.
+     *
+     * More information on writing migrations is available here:
+     * https://book.cakephp.org/phinx/0/en/migrations.html#the-change-method
+     *
+     * Remember to call "create()" or "update()" and NOT "save()" when working
+     * with the Table class.
+     */
+    public function change(): void
+    {
+        $encryption_keys = $this->table('audit_logs');
+        $encryption_keys->changeColumn('changed', 'blob', ['limit' => MysqlAdapter::BLOB_MEDIUM])->save();
+    }
+}