[11.x] Fix withoutOverlapping via PendingEventAttributes proxy (#53553)

* fix

* Update PendingEventAttributes.php

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: istiak-tridip

src/Illuminate/Console/Scheduling/PendingEventAttributes.php

@@ -17,6 +17,23 @@ public function __construct(
     ) {
     }
 
+    /**
+     * Do not allow the event to overlap each other.
+     *
+     * The expiration time of the underlying cache lock may be specified in minutes.
+     *
+     * @param  int  $expiresAt
+     * @return $this
+     */
+    public function withoutOverlapping($expiresAt = 1440)
+    {
+        $this->withoutOverlapping = true;
+
+        $this->expiresAt = $expiresAt;
+
+        return $this;
+    }
+
     /**
      * Merge the current attributes into the given event.
      */