Fill in release date for 6.3 final

CHANGELOG.txt

@@ -22,7 +22,7 @@ Changelog
  * Maintenance: Avoid redundant `ALLOWED_HOSTS` check in `Site.find_for_request` (Jake Howard)
 
 
-6.3 LTS (xx.xx.xxxx) - IN DEVELOPMENT
+6.3 LTS (01.11.2024)
 ~~~~~~~~~~~~~~~~~~~~
 
  * Add support for Python 3.13 (Matt Westcott)

docs/releases/6.3.md

@@ -1,6 +1,6 @@
-# Wagtail 6.3 (LTS) release notes - IN DEVELOPMENT
+# Wagtail 6.3 (LTS) release notes
 
-_Unreleased_
+_November 1, 2024_
 
 ```{contents}
 ---