Update bugs.rst

Gun5m0k3 · xabbuh · commit 22e432a993a0 · 2018-08-21T12:35:00.000+02:00
The symfony2 tag redirects to the symfony tag, so link to it directly
diff --git a/contributing/code/bugs.rst b/contributing/code/bugs.rst
@@ -44,7 +44,7 @@ If your problem definitely looks like a bug, report it using the official bug
 
 * *(optional)* Attach a :doc:`patch <patches>`.
 
-.. _`Stack Overflow`: https://stackoverflow.com/questions/tagged/symfony2
+.. _`Stack Overflow`: https://stackoverflow.com/questions/tagged/symfony
 .. _IRC channel: https://symfony.com/irc
 .. _the Symfony Slack: https://symfony.com/slack-invite
 .. _tracker: https://github.com/symfony/symfony/issues
