chore(github.html): move div into with syntax

layouts/shortcodes/github.html

@@ -4,9 +4,8 @@
 {{- $githubThumbnailURL := print "https://opengraph.githubassets.com/0/" (.Get "repo") -}}
 {{- $showThumbnail := .Get "showThumbnail" | default true -}}
 
-
-<div class="github-card-wrapper">
-  {{- with $githubData -}}
+{{- with $githubData -}}
+  <div class="github-card-wrapper">
     <a id="{{ $id }}" target="_blank" href="{{ .html_url }}" class="cursor-pointer">
       <div
         class="w-full md:w-auto p-0 m-0 border border-neutral-200 dark:border-neutral-700 border rounded-md shadow-2xl">
@@ -71,7 +70,7 @@
         data-repo-url="{{ $githubURL }}"
         data-repo-id="{{ $id }}"></script>
     </a>
-  {{- else -}}
+  </div>
+{{- else -}}
   {{ warnf "github shortcode: unable to fetch %q: %s" $githubURL .Position }}
-  {{- end -}}
-</div>
+{{- end -}}