Patch link issue with delimit due to breaking change in Hugo v0.120

References:
- https://github.com/gohugoio/hugo/releases/tag/v0.120.0
- https://github.com/gohugoio/hugo/issues/10876
- https://github.com/gohugoio/hugo/issues/11502

layouts/partials/series-box.html

@@ -12,6 +12,6 @@
             This post is part of a series:
         {{ end }}
 
-        {{ delimit $series ", " }}
+        {{ delimit $series ", " | safeHTML }}
     </div>
 {{ end }}