Update CHANGELOG

Author: ernestognw

CHANGELOG.md

@@ -1,10 +1,7 @@
-## XX-XX-XXXX
+## 12-04-2025
 
 - `SignerERC7913`: Abstract signer that verifies signatures using the ERC-7913 workflow.
 - `ERC7913SignatureVerifierP256` and `ERC7913SignatureVerifierRSA`: Ready to use ERC-7913 verifiers that implement key verification for P256 (secp256r1) and RSA keys.
-
-## 12-04-2025
-
 - `ERC7913Utils`: Utilities library for verifying signatures by ERC-7913 formatted signers.
 
 ## 11-04-2025