Fix Hugo v0.156.0 template deprecations

layouts/partials/contributors.html

@@ -1,4 +1,4 @@
-{{ with site.Data.contributors }}
+{{ with hugo.Data.contributors }}
 <section class="contributors-section mt-12 mb-16">
   <div class="flex flex-col items-center mb-6">
     <div class="flex items-center gap-2 mb-2">

layouts/partials/sharing-links.html

@@ -1,5 +1,5 @@
 {{ with .Params.sharingLinks | default (.Site.Params.article.sharingLinks | default false) }}
-  {{ $links := site.Data.sharing }}
+  {{ $links := hugo.Data.sharing }}
   <section class="flex flex-row flex-wrap justify-center pt-4 text-xl">
     {{ range . }}
       {{ with index $links . }}

layouts/partials/sponsors.html

@@ -1,4 +1,4 @@
-{{ with site.Data.sponsors }}
+{{ with hugo.Data.sponsors }}
 <section class="sponsors-section mt-16 mb-8">
   <div class="flex flex-col items-center mb-6">
     <div class="flex items-center gap-2 mb-2">

layouts/partials/vendor.html

@@ -124,7 +124,7 @@
 {{ end }}
 
 {{ if $hasRepoCards }}
-  {{ $repoColors := site.Data.repoColors }}
+  {{ $repoColors := hugo.Data.repoColors }}
   {{ $cssRules := slice }}
 
   {{/* default color */}}