dev: add config directory in phpstan.neon.conf
This enables phpstan to look for symbols in the config directory, showing less errors regarding requests constants OPTIONS, PUT, HEAD, DELETE, POST and co.
(cherry picked from commit 5b53895a)
This enables phpstan to look for symbols in the config directory, showing less errors regarding requests constants OPTIONS, PUT, HEAD, DELETE, POST and co.
(cherry picked from commit 5b53895a)