[Functionality] the `published date` field on `blog-post` page context should follow proper design and comms best practices, needs improvements

## Problem
The published date field currently reads as `Posted 22 July 2023`. There are many ways this can be improved and re-explored.

## Description
* The use of `Posted` at the beginning is likely redundant
* IF a prefix is necessary `published` or `pub.` fits better
* the case of a prefix being uppercase disrupts visual flow to the date itself and should perhaps be lowercase.
* The date format is part of a comms message in this usecase, it is not a technical standard, code, or a value stored within a database. As such it should follow good international comms messaging formatting and order, not necessarily good technical standards for formats as the two contexts differ greatly.

## Implementation

- [x] I would be interested in implementing this feature.