Add changelog entry

Author: colinrotherham

CHANGELOG.md

@@ -21,6 +21,7 @@ This change was introduced in [pull request #1796: Hide character count message
 
 ### :wrench: **Fixes**
 
+- [#1795: Add all page template variables from GOV.UK Frontend](https://github.com/nhsuk/nhsuk-frontend/pull/1795)
 - [#1797: Ensure components pass label.id down to the label](https://github.com/nhsuk/nhsuk-frontend/pull/1797)
 
 ## 10.3.1 - 19 January 2026