Update pending rulemakings page for new FR notice on REG 2024-06

[kathycarothers]

Summary

What we're after:
We expect an FR notice of availability to be posted this sprint. When that happens, we'll need to update the pending rulemaking page.

Related issues

#5840 If a banner is need we'll need to add to this ticket
How to guide: https://docs.google.com/document/d/16z-WCQRv5piPFGeVla9ESyy8090L4ezBQZABofCUkCE/edit#heading=h.ieimyuuqd5o1

Completion criteria

• Pending rulemaking matters page is updated https://www.fec.gov/legal-resources/regulations/pending-rulemaking-matters-comment/
• Ticket to remove is created for sprint with the deadline.

Future work

Reverting the page (ticket to be created)