fix: match all blog* hostnames in rdata analytics mu-plugin

bloggr, blogfr, and blognl were falling through to the
p2pfoundation.net UUID instead of the blog UUID.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

blog_static/rdata-analytics.php

@@ -7,7 +7,8 @@
 
 add_action('wp_head', function () {
     $host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
-    if (strpos($host, 'blog.p2pfoundation') !== false) {
+    // All blog variants (blog, bloggr, blogfr, blognl) share the blog UUID
+    if (preg_match('/^blog/', $host)) {
         $id = '1faf3e11-797c-4733-90c3-c7f11a2592c5';
     } else {
         $id = '818b3200-081b-470d-a7e6-b1c25c367ff8';