update PHP to ^7.1 for #292

Author: lesstif

README.md

@@ -13,7 +13,7 @@
 
 # Requirements
 
-- PHP >= 5.5.9
+- PHP >= 7.1
 - [php JsonMapper](https://github.com/netresearch/jsonmapper)
 - [phpdotenv](https://github.com/vlucas/phpdotenv)
 

composer.json

@@ -4,7 +4,7 @@
     "type": "library",
     "keywords": ["jira", "rest", "jira-php", "jira-rest"],
     "require": {
-        "php": ">=5.6.9",
+        "php": "^7.1",
         "ext-curl": "*",
         "ext-json": "*",
         "netresearch/jsonmapper": "~0.11|^1.0",

src/NoOperationMonologHandler.php

@@ -13,7 +13,7 @@ class NoOperationMonologHandler extends AbstractProcessingHandler
      *
      * @return void
      */
-    protected function write(array $record)
+    protected function write(array $record) : void
     {
         // do nothing
     }