[dev-context] CGModules update: Collating marks version 2023-01-01 published.

Willi Egger submitted an update to the Collating marks package. Version number: 2023-01-01 License type: Public Domain Wants to be in ConTeXt distribution: yes Wants to be synced with CTAN: yes Summary description: Environment to place collating marks on the spine of a section Announcement text: ---------------------------------------------------------------------- The collating marks module was never on CTAN. This version is adapted to go to CTAN: Added VERSION and LICENCE ----------------------------------------------------------------------