Migrate off deprecated language config keys and .Sites

- hugo.yaml: languageName -> label, languageDirection -> direction
- layouts/home.redirects: .Sites -> hugo.Sites (deprecated in 0.156.0)

Build now logs zero deprecation notices at --logLevel info.

Author: chalin

hugo.yaml

@@ -56,22 +56,22 @@ imaging:
 # Language configuration
 languages:
   en:
-    languageName: English
+    label: English
     title: Goldydocs
     params:
       description: A Docsy example site
   # cSpell:disable
   no:
-    languageName: Norsk
+    label: Norsk
     contentDir: content/no
     title: Gulldoks
     params:
       description: Docsy er operativsystem for skyen
       time_format_default: 02.01.2006
       time_format_blog: 02.01.2006
   fa:
-    languageDirection: rtl
-    languageName: 'فارسی (Persian)'
+    direction: rtl
+    label: 'فارسی (Persian)'
     contentDir: content/fa
     title: 'اسناد گلدی'
     params:

layouts/home.redirects

@@ -5,7 +5,7 @@ Adapted from https://gohugo.io/methods/page/aliases/#template-implementation
 cSpell:ignore hugo
 */ -}}
 
-{{ range .Sites -}}
+{{ range hugo.Sites -}}
   {{ range $p := .Pages -}}
     {{ range .Aliases -}}
       {{ if findRE `\s` . -}}