Revert "Don't use .Site.Author (deprecated since Hugo v0.124.0)"

This reverts commit c49ccbce.

config.toml

@@ -7,9 +7,11 @@ canonifyURLs = true
 
 languageCode = "en-us"
 
-[Params]
+[Author]
   name = "Apertis Project"
   website = "https://www.apertis.org"
+
+[Params]
   subtitle = "Collaborative OS platform for products"
   logo = "logo-white.svg"
   favicon = "favicon.ico"

themes/apertis/layouts/partials/footer.html

@@ -29,7 +29,7 @@
         
         
         <p>
-          {{ .Site.Params.name }}
+          {{ .Site.Author.name }}
           &nbsp;&bull;&nbsp;
           {{ .Site.Lastmod.Format "2006" }}
 

themes/apertis/layouts/partials/head.html

@@ -13,7 +13,7 @@
   <meta property="og:description" content="{{ . }}">
   <meta name="twitter:description" content="{{ . | truncate 200 }}">
 {{- end }}
-  <meta name="author" content="{{ .Site.Params.name }}"/>
+  <meta name="author" content="{{ .Site.Author.name }}"/>
 {{- with .Site.Params.favicon }}
   <link href='{{ . | absURL }}' rel='icon' type='image/x-icon'/>
 {{- end -}}
@@ -23,7 +23,7 @@
   <meta name="twitter:image" content="{{ . | absURL }}" />
 {{- end }}
   <meta name="twitter:card" content="summary" />
-{{- with .Site.Params.twitter }}
+{{- with .Site.Author.twitter }}
   <meta name="twitter:site" content="@{{ . }}" />
   <meta name="twitter:creator" content="@{{ . }}" />
 {{- end }}