fix: change message for push event v2

Signed-off-by: Tan Nguyen <35853002+tanhongit@users.noreply.github.com>

Author: tanhongit

resources/events/push/default.php

@@ -7,7 +7,7 @@
 $noun = ($count > 1) ? "commits" : "commit";
 
 $ref = explode('/', $payload->ref);
-$branch = end($ref);
+$branch = implode('/', array_slice($ref, 2));
 
 $message = "⚙️ <b>{$count}</b> new {$noun} to <b>{$payload->repository->full_name}:<code>{$branch}</code></b>\n\n";