Relax Jinja2 version pinning
https://gitlab.developers.cam.ac.uk/uis/devops/docs/guidebook/-/blob/0c283206ca0d06120c024277ade27ef649186648/requirements.txt#L5 references a bug which has now been resolved. We should look at removing our workaround.
https://gitlab.developers.cam.ac.uk/uis/devops/docs/guidebook/-/blob/0c283206ca0d06120c024277ade27ef649186648/requirements.txt#L5 references a bug which has now been resolved. We should look at removing our workaround.