Drop support for php 7.2.

Author: adriansuter

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ 7.2, 7.3, 7.4, 8.0 ]
+        php: [ 7.3, 7.4, 8.0 ]
         experimental: [ false ]
         include:
           - php: 8.0

composer.json

@@ -34,7 +34,7 @@
     ]
   },
   "require": {
-    "php": "^7.2 || ^8.0",
+    "php": "^7.3 || ^8.0",
     "nikic/php-parser": "^4.4"
   },
   "require-dev": {