Feat: Adding hashes for otp codes

src/Customer/Privacy/CustomerDataProvider.php

@@ -115,7 +115,7 @@ class CustomerDataProvider implements PersonalDataProvider
             // secret tied to an identity that no longer exists here — clear
             // it alongside name/email rather than leaving it to expire on
             // its own 10-minute window.
-            'otp_code' => null,
+            'otp_code_hash' => null,
             'otp_expires_at' => null,
             'otp_attempts' => 0,
         ]);