Update of MkDocs Publisher plugins related to project repo migration

[mkusz]

What kind of change does this PR introduce?

• [ ] Add a project
• [x] Update a project
• [ ] Remove a project
• [ ] Add or update a category
• [ ] Change configuration
• [ ] Documentation
• [ ] Other, please describe:

Description: Update of gihthub_id due to project migration to the other repository in a separate GitHub organization related just to MkDocs Publisher. Moreover, I have made some description updates.

Checklist:

• [x] I have read the CONTRIBUTING guidelines.
• [x] I have not modified the README.md file. Projects are only supposed to be added or updated within the projects.yaml file since the README.md file is automatically generated.