Fix wrong issue number on blog post

Author: insectengine

_posts/2025-12-11-quarkus-newsletter-63.adoc

@@ -1,6 +1,6 @@
 ---
 layout: post
-title: 'Quarkus Newsletter #62 - December'
+title: 'Quarkus Newsletter #63 - December'
 date: 2025-12-11
 tags: newsletter
 synopsis: Curated online stories, articles, and videos about Quarkus are available in the December edition of the Quarkus Newsletter.