Standardise files with files in sous-chefs/repo-management

Signed-off-by: kitchen-porter <[email protected]>

Author: kitchen-porter

.markdownlint-cli2.yaml

@@ -4,6 +4,6 @@ config:
   no-duplicate-heading: false # MD024
   reference-links-images: false # MD052
   no-multiple-blanks:
-    maximum: 2
+    maximum: 2    
 ignores:
   - .github/copilot-instructions.md

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 This file is used to list changes made in the last 3 major versions of the postgresql cookbook.
 
+## Unreleased
+
+Standardise files with files in sous-chefs/repo-management
+
+
 ## [12.4.0](https://github.com/sous-chefs/postgresql/compare/v12.3.5...v12.4.0) (2025-10-16)