Tidy up blog footer

[gdams]

E.g https://adoptium-rewrite.netlify.app/en-GB/blog/2024/01/slsabuild3-temurin/

See https://github.com/him-Tech/adoptium-redesign/tree/main/src/components/New-Article for some inspiration

Tags aren't rendering well, neither is the "Do you have questions or want to discuss this post? Hit us up on the Adoptium Slack workspace!"

See the figma render here which shows how blog posts should be rendered https://www.figma.com/design/lMm4lfzBr7IeH3qwdRrimw/Adoptium_DesignFile?node-id=2153-5819&t=MT1sYiSeAq2hhsuT-1

Also the author bio should be centered at the top as shown below: