build(deps): update the Markdown module

composer.json

@@ -26,7 +26,7 @@
         "drupal/hook_event_dispatcher": "^2",
         "drupal/hreflang": "^1.3",
         "drupal/insert": "^2.0",
-        "drupal/markdown": "^1.3",
+        "drupal/markdown": "^3.0",
         "drupal/menu_trail_by_path": "^1.3",
         "drupal/metatag": "^1.11",
         "drupal/migrate_plus": "^5.0",
@@ -45,6 +45,7 @@
         "drupal/stage_file_proxy": "^1.0",
         "drush/drush": "^10",
         "illuminate/collections": "^8.38",
+        "michelf/php-markdown": "^1.9",
         "nesbot/carbon": "^2.33",
         "platformsh/config-reader": "^2.4",
         "symfony/config": "^3.4"