task add: Ensure task type provided exist and raise otherwise
Related to https://gitlab.softwareheritage.org/infra/sysadm-environment/-/issues/4674
Test Plan
One new test added
Migrated from D8933 (view on Phabricator)
Staging instance, all changes can be removed at any time
Related to https://gitlab.softwareheritage.org/infra/sysadm-environment/-/issues/4674
One new test added
Migrated from D8933 (view on Phabricator)