Make data providers static on AbstractExportTest.php and Write a rector rule to adapt existing

utils/rector/tests/ChillBundleMakeDataProviderStaticForAbstractExportTestRectorTest/config/config.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+return static function (Rector\Config\RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(Chill\Utils\Rector\Rector\ChillBundleMakeDataProviderStaticForAbstractExportTestRector::class);
+};