After https://cgit.freebsd.org/ports/commit/?id=b22fb8444e6359c7cd3f099c699dfbe541a31346, please update server dependencies of grimoire.freebsd.org to their latest versions. If possible (and if help is needed), I can help administer and maintain grimoire.freebsd.org since I am also now the maintainer of www/py-grimoirelab and all its dependencies.
I will do an update on the dev branch first and then will let you know.