Update to laravel 7

vendor/knplabs/github-api/lib/Github/AuthMethod.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Github;
+
+final class AuthMethod
+{
+    /**
+     * Authenticate using a client_id/client_secret combination.
+     *
+     * @var string
+     */
+    public const CLIENT_ID = 'client_id_header';
+
+    /**
+     * Authenticate using a GitHub access token.
+     *
+     * @var string
+     */
+    public const ACCESS_TOKEN = 'access_token_header';
+
+    /**
+     * Constant for authentication method.
+     *
+     * Indicates JSON Web Token authentication required for GitHub apps access
+     * to the API.
+     *
+     * @var string
+     */
+    public const JWT = 'jwt';
+}