date fix

copypasta FTW

Author: jlopp

bip-vaults.mediawiki

@@ -6,7 +6,7 @@
   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-xxxx
   Status: Draft
   Type: Standards Track
-  Created: 2020-02-03
+  Created: 2023-02-03
   License: BSD-3-Clause
   Post-History: 2023-01-09: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2023-January/021318.html [bitcoin-dev] OP_VAULT announcment
 </pre>