(bot 1272989785) moving EIPS/eip-7643.md to stagnant (ethereum#9113)

PR 9113 with changes to EIPS/eip-7643.md was created on 
	(2024-Dec-8th@00.24.54)
which is before the cutoff date of 
	(2024-Dec-15th@00.22.48)
i.e. 2 weeks ago

Author: eth-bot

EIPS/eip-7643.md

@@ -4,7 +4,7 @@ title: History accumulator for pre-PoS data
 description: Commit to a single root for all block data before the merge.
 author: lightclient (@lightclient), kdeme (@kdeme)
 discussions-to: https://ethereum-magicians.org/t/eip-7643-history-accumulator-for-pre-pos-data/19014
-status: Draft
+status: Stagnant
 type: Standards Track
 category: Core
 created: 2024-02-29