drop support for PHP 7.3

Author: llaville

CHANGELOG.md

@@ -13,6 +13,10 @@ using the [Keep a CHANGELOG](http://keepachangelog.com) principles.
 - `rdfkafka` extension is now supported by PHP 8.1
 - `bin/devkit.php` is made available into the Composer `bin-dir`
 
+### Removed
+
+- drop support for PHP 7.3 has ended 6th December 2021.
+
 ## [1.3.0] - 2022-01-09
 
 ### Added

composer.json

@@ -4,7 +4,7 @@
     "keywords": ["php", "pecl-extensions", "tools"],
     "type": "project",
     "require": {
-        "php": "^7.3|^8.0",
+        "php": "^7.4|^8.0",
         "ext-json": "*",
         "doctrine/collections": "^1.6.5",
         "symfony/config": "^4.4|^5.0",