Update Concurrency-Safe Notifications to use SF-0010 (#1045)

Author: iCharlesHu

Proposals/0010-concurrency-safe-notifications.md renamed to Proposals/0011-concurrency-safe-notifications.md

@@ -1,6 +1,6 @@
 # Concurrency-Safe Notifications
 
-* Proposal: SF-0010
+* Proposal: SF-0011
 * Author(s): [Philippe Hausler](https://github.com/phausler), [Christopher Thielen](https://github.com/cthielen)
 * Review Manager: [Charles Hu](https://github.com/iCharlesHu)
 * Status: **Active Review: Nov 12, 2024...Nov 19, 2024**