Allow newer version of psr/simple-cache (#698)

* Allow newer version of psr/simple-cache

* Remove unnecessary whitespace from composer.json

Author: websirnik

composer.json

@@ -17,7 +17,7 @@
         "ext-mbstring": "*",
         "psr/http-message": "^1.0",
         "psr/log": "^1.0 || ^2.0 || ^3.0",
-        "psr/simple-cache": "^1.0"
+        "psr/simple-cache": "^1.0 || ^2.0 || ^3.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.0",