It depends. If you are the owner of a repository with multiple contributors and have rules for code review, then this makes sense. You create the PR so that someone else can say “Yep, meets our standards/tests/release schedule”.
But if you start doing stuff like this regularly you probably want to migrate the repository to a dedicated account that exists to own that repository, rather than it be your own.
Are there actual reasons to do this, though?
It depends. If you are the owner of a repository with multiple contributors and have rules for code review, then this makes sense. You create the PR so that someone else can say “Yep, meets our standards/tests/release schedule”.
But if you start doing stuff like this regularly you probably want to migrate the repository to a dedicated account that exists to own that repository, rather than it be your own.
Gotta get those GitHub PR numbers up though 💪