Add upper bound for php version requirement

- prevent 8.2 until we bump it explicitly

Author: simPod

composer.json

@@ -9,7 +9,7 @@
         }
     ],
     "require": {
-        "php": ">=7.1.0",
+        "php": "^7.1 || ~8.0.0 || ~8.1.0",
         "ext-json": "*"
     },
     "require-dev": {