chore: update hugo and geekdocs theme

[oZakari]

Overview/Summary

• Update Geekdocs theme to latest
• Update build version of hugo to latest
• Add branch filter for branch recommendation object workflow

Related Issues/Work Items

Fixes AB#38683

Breaking Changes

1. None

As part of this pull request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Ensured PR tests are passing
• Performed testing and provided evidence (e.g. screenshot of output) for any changes associated to ARG queries
• Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)

Copilot reviewed 2806 out of 2821 changed files in this pull request and generated no comments.

Files not reviewed (15)

• docs/themes/hugo-geekdoc/.nvmrc: Language not supported
• docs/themes/hugo-geekdoc/VERSION: Language not supported
• docs/themes/hugo-geekdoc/layouts/404.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/_default/_markup/render-heading.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/_default/baseof.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/_default/single.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/partials/head/others.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/partials/language.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/partials/menu-bundle-np.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/partials/menu-bundle.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/partials/menu-extra.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/partials/menu-filetree-np.html: Language not supported
• docs/themes/hugo-geekdoc/layouts/partials/microformats/opengraph.html: Language not supported
• .github/workflows/hugo-site-build.yml: Evaluated as low risk
• .github/workflows/build-recommendation-object.yml: Evaluated as low risk