Bump guides-markdown to fix issue with list items

Author: jaapio

composer.json

@@ -22,7 +22,7 @@
         "monolog/monolog": "^3.7",
         "php-http/guzzle7-adapter": "^1.0",
         "phpdocumentor/guides": "^1.6",
-        "phpdocumentor/guides-markdown": "^1.6",
+        "phpdocumentor/guides-markdown": "^1.6.2",
         "phpdocumentor/guides-restructured-text": "^1.6",
         "scrivo/highlight.php": "^9.18",
         "symfony/cache": "^6.4",