My checklist when upgrading Forgejo:

1. Login to the git user: sudo su git.
2. Flush queues: forgejo manager flush-queues --config /etc/forgejo/app.ini.
3. Create a backup: forgejo dump --config /etc/forgejo/app.ini.
4. Switch to my own user.
5. Download new forgejo binary and decompress: https://forgejo.org/releases/.
6. Stop forgejo: sudo systemctl stop forgejo.
7. Copy new binary to /usr/local/bin/forgejo.
8. Start forgejo: sudo systemctl start forgejo.
9. Login to git user: sudo su git.
10. Run forgejo check: forgejo doctor check --all --config /etc/forgejo/app.ini.
11. Fix issues/warnings above: forgejo doctor check --all --config /etc/forgejo/app.ini --fix.
12. Check web interface.