[dev-context] CGModules update: Collating marks version 2023.04.25 published.

Willi Egger submitted an update to the Collating marks package. Version number: 2023.04.25 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: ---------------------------------------------------------------------- Karl Berry: these modules do not comply with import rules to TL. -- *.tex replaced by *.mkiv ----------------------------------------------------------------------