Rename directories and files from 'far-furure-headers' to 'effective-asset-cache-headers'

Author: b1ink0

plugins/performance-lab/includes/site-health/far-future-headers/helper.php renamed to plugins/performance-lab/includes/site-health/effective-asset-cache-headers/helper.php

@@ -31,5 +31,5 @@
 require_once __DIR__ . '/avif-headers/hooks.php';
 
 // Far-Future Headers site health check.
-require_once __DIR__ . '/far-future-headers/helper.php';
-require_once __DIR__ . '/far-future-headers/hooks.php';
+require_once __DIR__ . '/effective-asset-cache-headers/helper.php';
+require_once __DIR__ . '/effective-asset-cache-headers/hooks.php';