games/openage: games/openage: upgrade to v0.4.1

- release notes at <https://github.com/SFTtech/openage/releases/tag/v0.4.1>

- also chase the upgrade of py-Pygments to 2.9, with a patch from upstream.

PR:		257471
Approved by:	freebsd (at) sysctl.cz (maintainer)