git: openjdk/jdk-sandbox: jep486: Update copyrights.

[duke]

Changeset: ee570c45
Branch: jep486
Author:    Sean Mullan <sean.mullan at oracle.com>
Date:      2024-10-29 10:24:49 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/ee570c45aaaedab86c56fe7a8e8f54f242948749

Update copyrights.

! test/jdk/com/sun/security/auth/login/ConfigFile/InnerClassConfig.java
! test/jdk/com/sun/security/auth/login/ConfigFile/PropertyExpansion.java
! test/jdk/java/security/KeyRep/SerialDSAPubKey.java