update PHP dependencies

vendor/paragonie/random_compat/phpunit-autoload.php

@@ -0,0 +1,14 @@
+<?php
+
+require_once __DIR__ . '/psalm-autoload.php';
+
+/**
+ * This is necessary for PHPUnit on PHP >= 5.3
+ *
+ * Class PHPUnit_Framework_TestCase
+ */
+if (PHP_VERSION_ID >= 50300) {
+    if (!class_exists('PHPUnit_Framework_TestCase')) {
+        require_once __DIR__ . '/other/phpunit-shim.php';
+    }
+}