Avoiding $emailAddress property accessed before initialization error. (#92)

Author: staabm

src/Issue/Reporter.php

@@ -12,7 +12,7 @@ class Reporter implements \JsonSerializable
 
     public ?string $name = null;
 
-    public string $emailAddress;
+    public ?string $emailAddress = null;
 
     public array|null $avatarUrls;