Update to laravel 7

vendor/php-http/message/src/Authentication/Header.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Http\Message\Authentication;
+
+use Http\Message\Authentication;
+use Psr\Http\Message\RequestInterface;
+
+class Header implements Authentication
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var string|string[]
+     */
+    private $value;
+
+    /**
+     * @param string|string[] $value
+     */
+    public function __construct(string $name, $value)
+    {
+        $this->name = $name;
+        $this->value = $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function authenticate(RequestInterface $request)
+    {
+        return $request->withHeader($this->name, $this->value);
+    }
+}