Fill in release date for 5.2

CHANGELOG.txt

@@ -16,8 +16,8 @@ Changelog
  * Maintenance: Update djhtml to 3.0.6 (Matt Westcott)
 
 
-5.2 LTS (xx.xx.xxxx) - IN DEVELOPMENT
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+5.2 LTS (01.11.2023)
+~~~~~~~~~~~~~~~~~~~~
 
  * Redesigned page listing view (Ben Enright, Matt Westcott, Thibaud Colas, Sage Abdullah)
  * Support OpenSearch as an alternative to Elasticsearch (Matt Westcott)

docs/releases/5.2.md

@@ -1,6 +1,6 @@
-# Wagtail 5.2 (LTS) release notes - IN DEVELOPMENT
+# Wagtail 5.2 (LTS) release notes
 
-_Unreleased_
+_November 1, 2023_
 
 ```{contents}
 ---