Use query builder to prevent timeout (#347)

* Use query builder

Prevent timeout in query when there's many entries

* Use `offset`/`limit` methods instead

The `skip`/`take` methods aren't available on the Stache query builder.

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Co-authored-by: Duncan McClean <[email protected]>

src/Sitemap/Sitemap.php

@@ -45,7 +45,7 @@ public static function paginatedPages(int $page)
         $entryCount = $sitemap->publishedEntriesCount() - 1;
 
         if ($offset < $entryCount) {
-            $entries = $sitemap->publishedEntries()->skip($offset)->take($perPage);
+            $entries = $sitemap->publishedEntriesQuery()->offset($offset)->limit($perPage)->get();
 
             if ($entries->count() < $remaining) {
                 $remaining -= $entries->count();