adapt table column length limit to episode actions like DOWNLOAD

lib/Migration/Version0003Date20210822231113.php

@@ -0,0 +1,21 @@
+<?php
+declare(strict_types=1);
+
+namespace OCA\GPodderSync\Migration;
+
+use Closure;
+use Doctrine\DBAL\Types\Types;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+
+class Version0003Date20210822231113 extends \OCP\Migration\SimpleMigrationStep {
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('gpodder_episode_action');
+		$table->changeColumn('action', ['length' => 10]);
+
+		return $schema;
+	}
+}