Add Initial teamcity support

src/Logging/TeamCity/Subscriber/TestSuiteFinishedSubscriber.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Logging\TeamCity\Subscriber;
+
+use PHPUnit\Event\TestSuite\Finished;
+use PHPUnit\Event\TestSuite\FinishedSubscriber;
+
+/**
+ * @internal
+ */
+final class TestSuiteFinishedSubscriber extends Subscriber implements FinishedSubscriber
+{
+    public function notify(Finished $event): void
+    {
+        $this->logger()->testSuiteFinished($event);
+    }
+}