Raise required PHP version to 5.5

Naktibalda · Naktibalda · commit bf4fba8b8de7 · 2022-08-20T21:49:46.000+03:00
diff --git a/composer.json b/composer.json
@@ -19,7 +19,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
+        "php": ">=5.5.0",
         "composer-plugin-api": "^1.0 || ^2.0"
     },
     "require-dev": {
