[DomCrawler] Fixing code typo

Page: https://symfony.com/doc/6.4/components/dom_crawler.html#accessing-node-values

Author: ThomasLandauer

components/dom_crawler.rst

@@ -277,7 +277,7 @@ The result is an array of values returned by the anonymous function calls.
 When using nested crawler, beware that ``filterXPath()`` is evaluated in the
 context of the crawler::
 
-    $crawler->filterXPath('parent')->each(function (Crawler $parentCrawler, $i): avoid {
+    $crawler->filterXPath('parent')->each(function (Crawler $parentCrawler, $i): void {
         // DON'T DO THIS: direct child can not be found
         $subCrawler = $parentCrawler->filterXPath('sub-tag/sub-child-tag');