Update get_sponsors.php

Fix round to ciel, change 50 per page to the 54 that is actually sent.

.github/workflows/prerelease/get_sponsors.php

@@ -13,7 +13,7 @@
 $totalSponsors = $node->textContent;
 $res = preg_replace("/[^0-9]/", "", $totalSponsors );
 $totalSponsorCount = intval($res);
-$totalPages = round($totalSponsorCount / 50);
+$totalPages = ceil($totalSponsorCount / 54);
 $publicSponsorCount = 0;
 $testarray = array();