ci: fix build error

caused by outdated twitter_simple shortcode usage

https://gohugo.io/content-management/shortcodes/#tweet

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ jobs:
           cd hugoBasicExample
           mv content/post content/posts
           sed -i 's/posts/post/g' content/posts/_index.md
+          sed -i 's/{{< twitter_simple \([0-9]*\) >}}/{{< tweet user="DesignReviewed" id="\1" >}}/' content/posts/rich-content.md
           mkdir content/about && mv content/about.md content/about/_index.md
           mkdir -p themes/meme