fix: update CIP-043 created date to 2026 (#375)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: Manav-Aggarwal

cips/cip-043.md

@@ -7,7 +7,7 @@
 | status | Draft |
 | type | Standards Track |
 | category | Core |
-| created | 2025-01-14 |
+| created | 2026-01-14 |
 
 ## Abstract