RFR: 8343473: Update copyright year of AddmodsOption.java

[SendaoYan]

The newly added test `runtime/cds/appcds/jigsaw/addmods/AddmodsOption.java` on `Thu Oct 31 2024`, the copyright year should be 2024.
Trivial fix, no risk.

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Commit messages:
 - 8343473: Update copyright year of AddmodsOption.java

Changes: https://git.openjdk.org/jdk/pull/21848/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21848&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343473
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/21848.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21848/head:pull/21848

PR: https://git.openjdk.org/jdk/pull/21848