www/gohugo: Update to 0.147.7

ChangeLog: https://github.com/gohugoio/hugo/releases/tag/v0.147.7

Bug fixes

• Fix language handling in shortcode templates
• Make sure that unreferenced but changed bundle resources gets republished
• resources/page: Respect disablePathToLower for permalink tokens

Improvements

• Handle KaTeX warnings (#13760)
• common/collections: Increase test coverage
• parser/pageparser: Add coverage for all IsX methods of Item
• resources: Remove unused interface