www/gohugo: Update to 0.40

Change log:

• Add path.Ext, path.Dir and path.Base
• Make fileExist use the same filesystem as readFile Add .Page.BundleType
• Add zero-based Ordinal to shortcode
• Process and render shortcodes in their order of appearance
• Init the content and shortcodes early
• Prepare child page resources before the page itself
• Make .Content (almost) always available in shortcodes
• Add language merge support for Pages in resource.Resources
• Improve .Content vs shortcodes
• Improve .Get docs
• Update missing positional parameter test for .Get
• Improve error message in metadata parse
• Add some context to front matter parse error
• Updated GetCSV error message
• .Get doesn't crash on missing positional param fixes
• fix syntax signature

PR: 227724
Submitted by: ben.lavery@hashbang0.com (maintainer)