upgrade Credis to 1.17.0

Author: tillkruss

dependencies/colinmollenhour/credis/.editorconfig

@@ -0,0 +1,6 @@
+[*.php]
+charset=utf-8
+end_of_line=lf
+insert_final_newline=true
+indent_style=space
+indent_size=4

dependencies/colinmollenhour/credis/.php-cs-fixer.dist.php

@@ -0,0 +1,19 @@
+<?php
+/*
+ * This document has been generated with
+ * https://mlocati.github.io/php-cs-fixer-configurator/#version:3.13.2|configurator
+ * you can change this configuration by importing this file.
+ */
+$config = new PhpCsFixer\Config();
+return $config
+    ->setRules([
+        '@PSR12' => true,
+        'visibility_required' => false, // php 5.6 doesn't support "public const ..."
+    ])
+    ->setFinder(PhpCsFixer\Finder::create()
+        ->in(__DIR__)
+        ->name('*.php')
+        ->ignoreDotFiles(true)
+        ->ignoreVCS(true)
+    )
+;