match code convention

updated to { year } to make code conventions

layouts/partials/footer.html

@@ -19,7 +19,7 @@
     {{/* Copyright */}}
     {{ if .Site.Params.footer.showCopyright | default true }}
     <p class="text-sm text-neutral-500 dark:text-neutral-400">
-      {{- with replace .Site.Params.copyright "{year}" now.Year  }}
+      {{- with replace .Site.Params.copyright "{ year }" now.Year  }}
       {{ . | emojify | markdownify }}
       {{- else }}
       &copy;