Update Parameters for new Hugo Versions

[j0hax]

This PR fixes two error messages I encountered when using Hugo v0.162.0:

Deprecated in v0.124.0:

ERROR error building site: render: [de v1.0.0 guest] failed to render pages: render of "/var/home/johannes/Projects/clara-und-johannes.de/content/_index.md" failed: "/var/home/johannes/.cache/hugo_cache/modules/filecache/modules/pkg/mod/github.com/jpanther/lynx@v1.4.0/layouts/_default/baseof.html:3:6": execute of template failed: template: index.html:3:6: executing "index.html" at <partial "head.html" .>: error calling partial: "/var/home/johannes/.cache/hugo_cache/modules/filecache/modules/pkg/mod/github.com/jpanther/lynx@v1.4.0/layouts/partials/head.html:80:15": execute of template failed: template: _partials/head.html:80:15: executing "_partials/head.html" at <.Site.Author.name>: can't evaluate field Author in type page.Site

Deprecated in v0.158.0:

WARN deprecated: .Site.LanguageCode was deprecated in Hugo v0.158.0 and will be removed in a future release. Use .Site.Language.Locale instead.

[netlify]

❌ Deploy Preview for hugo-lynx failed.

Name	Link
🔨 Latest commit	eb72d47
🔍 Latest deploy log	https://app.netlify.com/projects/hugo-lynx/deploys/6a414c309573f40008ef6eff

[github-actions]

This pull request has been automatically marked as stale because it has not had any recent activity.
Please review the PR history and add a reply with any requested information. If no information has been requested, it may be that this contribution does not fit with the project objectives, or does not adhere to the contributing guidelines. If this is in error, please add a reply with further details.
This PR will automactically close in 14 days if no further activity occurs.