git: openjdk/jdk-sandbox: jep486: update copyright year for the recently updated tests

[duke]

Changeset: 848ed638
Branch: jep486
Author:    Weijun Wang <weijun.wang at oracle.com>
Date:      2024-10-21 11:03:32 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/848ed638a685557366e13d494319320e60670194

update copyright year for the recently updated tests

! test/jdk/sun/security/ec/TestEC.java
! test/jdk/sun/security/pkcs11/Provider/MultipleLogins.java