Bump yubico/u2flib-server from 1.0.1 to 1.0.2

Bumps [yubico/u2flib-server](https://github.com/Yubico/php-u2flib-server) from 1.0.1 to 1.0.2.
- [Release notes](https://github.com/Yubico/php-u2flib-server/releases)
- [Changelog](https://github.com/Yubico/php-u2flib-server/blob/master/NEWS)
- [Commits](https://github.com/Yubico/php-u2flib-server/compare/1.0.1...1.0.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

composer.lock

@@ -7,25 +7,72 @@
     "content-hash": "6314967e4cb0ced509b4b9972eda527f",
     "packages": [
         {
-            "name": "yubico/u2flib-server",
-            "version": "1.0.1",
+            "name": "paragonie/random_compat",
+            "version": "v9.99.99",
             "source": {
                 "type": "git",
-                "url": "https://github.com/Yubico/php-u2flib-server.git",
-                "reference": "dc318c80b59e62921c210f31b014def26ceebbab"
+                "url": "https://github.com/paragonie/random_compat.git",
+                "reference": "84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Yubico/php-u2flib-server/zipball/dc318c80b59e62921c210f31b014def26ceebbab",
-                "reference": "dc318c80b59e62921c210f31b014def26ceebbab",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95",
+                "reference": "84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.*|5.*",
+                "vimeo/psalm": "^1"
+            },
+            "suggest": {
+                "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
+            },
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paragon Initiative Enterprises",
+                    "email": "security@paragonie.com",
+                    "homepage": "https://paragonie.com"
+                }
+            ],
+            "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
+            "keywords": [
+                "csprng",
+                "polyfill",
+                "pseudorandom",
+                "random"
+            ],
+            "time": "2018-07-02T15:55:56+00:00"
+        },
+        {
+            "name": "yubico/u2flib-server",
+            "version": "1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Yubico/php-u2flib-server.git",
+                "reference": "55d813acf68212ad2cadecde07551600d6971939"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Yubico/php-u2flib-server/zipball/55d813acf68212ad2cadecde07551600d6971939",
+                "reference": "55d813acf68212ad2cadecde07551600d6971939",
                 "shasum": ""
             },
             "require": {
                 "ext-openssl": "*",
+                "paragonie/random_compat": ">= 1",
                 "php": ">=5.6"
             },
             "require-dev": {
-                "phpunit/phpunit": "~5.7"
+                "phpunit/phpunit": "~5.7",
+                "vimeo/psalm": "^0|^1|^2"
             },
             "type": "library",
             "autoload": {
@@ -39,7 +86,7 @@
             ],
             "description": "Library for U2F implementation",
             "homepage": "https://developers.yubico.com/php-u2flib-server",
-            "time": "2017-05-09T07:33:58+00:00"
+            "time": "2018-09-07T08:16:44+00:00"
         }
     ],
     "packages-dev": [
@@ -49,12 +96,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/ChristophWurst/nextcloud_composer.git",
-                "reference": "1e6bdc9a1a13a5df52a599dba019132b4cb5aa73"
+                "reference": "8836afeee79a53885c7cd77b447c8de348ea506a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ChristophWurst/nextcloud_composer/zipball/1e6bdc9a1a13a5df52a599dba019132b4cb5aa73",
-                "reference": "1e6bdc9a1a13a5df52a599dba019132b4cb5aa73",
+                "url": "https://api.github.com/repos/ChristophWurst/nextcloud_composer/zipball/8836afeee79a53885c7cd77b447c8de348ea506a",
+                "reference": "8836afeee79a53885c7cd77b447c8de348ea506a",
                 "shasum": ""
             },
             "type": "library",
@@ -74,7 +121,7 @@
                 }
             ],
             "description": "Composer package containing Nextcloud's public API (classes, interfaces)",
-            "time": "2018-08-21T15:37:28+00:00"
+            "time": "2018-09-06T15:46:29+00:00"
         },
         {
             "name": "doctrine/instantiator",