chore: sync changes from 0.15.1 (#304)

Co-authored-by: statsig-kong[bot] <statsig-kong[bot]@users.noreply.github.com>

Author: statsig-kong[bot]

post-install.php

@@ -2,7 +2,7 @@
 
 const OUTPUT_DIR = "resources";
 const DOMAIN = "pubkey.statsig.com";
-const VERSION = "0.15.1-beta.2601310133";
+const VERSION = "0.15.1";
 
 if (getenv('SKIP_STATSIG_POST_INSTALL') === 'true') {
     exit(0);