www/gohugo: Update to 0.147.3
ChangeLog: https://github.com/gohugoio/hugo/releases/tag/v0.147.3
- tpl/tplimpl: Change calls to simple versions of embedded shortcodes
- config: Fix env override of slices
- Fix/implement cascade for content adapters
- commands: Fix description of new theme commands
- tpl/tplimpl: Fix vimeo shortcode test to accommodate API changes
- tpl/math: Add MaxInt64 function