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

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

Author: kitchen-porter

.markdownlint-cli2.yaml

@@ -3,5 +3,7 @@ config:
   line-length: false # MD013
   no-duplicate-heading: false # MD024
   reference-links-images: false # MD052
+  no-multiple-blanks:
+    maximum: 2    
 ignores:
   - .github/copilot-instructions.md

CHANGELOG.md

@@ -4,6 +4,8 @@ This file is used to list changes made in the last 3 major versions of the postg
 
 ## Unreleased
 
+Standardise files with files in sous-chefs/repo-management
+
 ## 12.3.4 - *2025-09-19*
 
 - Ensure access config file is written before notifications are sent