RFR: 8374573: Update copyright header for files modified in 2025

[Ambarish Rapte]

As we enter year 2026, update copyright year in files updated in the year 2025.

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Commit messages:
 - copy-year-2025

Changes: https://git.openjdk.org/jfx/pull/2024/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=2024&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8374573
  Stats: 50 lines in 50 files changed: 0 ins; 0 del; 50 mod
  Patch: https://git.openjdk.org/jfx/pull/2024.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/2024/head:pull/2024

PR: https://git.openjdk.org/jfx/pull/2024