🐛 Fix `copyright` string not referenced correctly

Fixes: #572

CHANGELOG.md

@@ -15,6 +15,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 - Language selection repeats current language on multilingual sites instead of linking to translated content ([#565](https://github.com/jpanther/congo/issues/565))
 - Icon padding inconsistent when using `--minify` option to build site ([#568](https://github.com/jpanther/congo/pull/568))
+- Copyright string in the language configuration does not apply ([#572](https://github.com/jpanther/congo/issues/572))
 - Upgrade to Mermaid v10.2.1 ([#569](https://github.com/jpanther/congo/pull/569))
 
 ## [2.6.0] - 2023-05-25

layouts/partials/footer.html

@@ -75,7 +75,7 @@
       {{/* Copyright */}}
       {{ if .Site.Params.footer.showCopyright | default true }}
         <p class="text-sm text-neutral-500 dark:text-neutral-400">
-          {{- with .Site.Params.copyright }}
+          {{- with site.Copyright }}
             {{ . | emojify | markdownify }}
           {{- else }}
             &copy;