Log Message:
py-mkdocs: updated to 1.6.1

1.6.1

Fixed

Fix build error when environment variable SOURCE_DATE_EPOCH=0 is set.
Fix build error when mkdocs_theme.yml config is empty.
Support python -W and PYTHONWARNINGS instead of overriding the configuration.
Support running with Docker under strict mode, by removing 0.0.0.0 dev server \ 
warning.
Drop unnecessary changefreq from sitemap.xml.
Fix JavaScript console error when closing menu dropdown.
Fix JavaScript console error that occur on repeated clicks.
Fix JavaScript console error that can occur on dropdown selections.

Added

Added translations for Dutch.
Added and updated translations for Chinese (Simplified).