chore: update php version in README

SMillerDev · pprkut · commit 5b0e4b21160e · 2025-03-05T10:02:28.000+01:00
diff --git a/README.md b/README.md
@@ -68,7 +68,7 @@ See <https://github.com/chrisboulton/php-resque> for more on that history.
 
 ## Requirements
 
--   PHP 5.3+
+-   PHP 7.3+
 -   Redis 2.2+
 -   Optional but Recommended: Composer
 
