Update HIP-1137 status to Approved

Signed-off-by: Michael Garber <michael.garber@hashgraph.com>

Author: mgarbs

HIP/hip-1137.md

@@ -8,13 +8,13 @@ type: Standards Track
 category: Core
 needs-hiero-approval: Yes
 needs-hedera-review: Yes
-hedera-review-date:
-hedera-acceptance-decision:
+hedera-review-date: 2026-02-02
+hedera-acceptance-decision: Accepted
 discussions-to: https://github.com/hiero-ledger/hiero-improvement-proposals/pull/1137
-status: Last Call
+status: Approved
 last-call-date-time: 2026-02-11T07:00:00Z
 created: 2025-03-07
-updated: 2026-01-28
+updated: 2026-02-10
 ---
 
 ## Abstract