Update date format in blog post workflow

Author: vishalgunjalSWE

.github/workflows/blog-post-workflow.yml

@@ -49,6 +49,5 @@ jobs:
           feed_list: "https://medium.com/feed/@vishalgunjal"
           max_post_count: 5
           template: "$newline- 📝 [$title]($url) — $date"
-          date_format: "dd MMMM yyyy"
+          date_format: "dd MMM yyyy"
           commit_message: "docs: update README with latest Medium posts"
-