[dev-context] CGModules update: basicexam version 20241227A published.

Autumnus submitted an update to the basicexam package. Version number: 20241227A License type: GNU General Public License Wants to be in ConTeXt distribution: yes Wants to be synced with CTAN: no Summary description: ConTeXt module used for typesetting exams Announcement text: ---------------------------------------------------------------------- 1. bug fix 2. add test file ----------------------------------------------------------------------