Merge pull request #46 from boesing/bugfix/php-composer-constraints

Normalize accidentally widened php constraint

Author: Ocramius

composer.json

@@ -10,7 +10,7 @@
     ],
     "license": "BSD-3-Clause",
     "require": {
-        "php": "^7.4 || ^8.0 || ~8.1.0",
+        "php": "~7.4.0 || ~8.0.0 || ~8.1.0",
         "fig/http-message-util": "^1.1",
         "mezzio/mezzio-router": "^3.1",
         "psr/container": "^1.0 || ^2.0",