Dates added to accessibility statement

Author: jakecosgrove

docs/pages/footer/accessibility.md

@@ -89,7 +89,7 @@ Our [roadmap]({% link pages/features/roadmap.md %}) shows how and when we plan t
 
 ## Preparation of this accessibility statement
 
-This statement was prepared on [date when it was first published]. It was last reviewed on [date when it was first published].
+This statement was prepared on Friday 7 March 2024. It was last reviewed on Friday 7 March 2024.
 
 This website was last tested on Thursday 27 February 2025 against the WCAG 2.2 AA standard.