[7.x] Fix docblocks (#32065)

* [7.x] Fix docblocks

* Update Queueable.php
Co-authored-by: Graham Campbell <GrahamCampbell@users.noreply.github.com>

src/Illuminate/Bus/Queueable.php

@@ -46,6 +46,8 @@ trait Queueable
 
     /**
      * The middleware the job should be dispatched through.
+     *
+     * @var array
      */
     public $middleware = [];
 
@@ -154,8 +156,7 @@ trait Queueable
     /**
      * Serialize a job for queuing.
      *
-     * @param mixed $job
-     *
+     * @param  mixed  $job
      * @return string
      */
     protected function serializeJob($job)

src/Illuminate/Http/Client/PendingRequest.php

@@ -578,7 +578,7 @@ class PendingRequest
     /**
      * Execute the "before sending" callbacks.
      *
-     * @param  \GuzzleHttp\Psr7\RequestInterface
+     * @param  \GuzzleHttp\Psr7\RequestInterface  $request
      * @param  array  $options
      * @return \Closure
      */

src/Illuminate/Http/Client/Response.php

@@ -29,7 +29,7 @@ class Response implements ArrayAccess
     /**
      * Create a new response instance.
      *
-     * @param  \Psr\Http\Message\MessageInterface
+     * @param  \Psr\Http\Message\MessageInterface  $response
      * @return void
      */
     public function __construct($response)