Update copyright year from 2024 to 2025

[StephenAbbott]

Overview

What does this pull request do?
Update year in license

How can a reviewer test or examine your changes?

Who is best placed to review it?

Closes #

Translations

• New or edited strings appearing as a result of this PR will be picked up for translation
• I've notified the translation coordinator of any new strings that will need
  translating. See the Handbook

Documentation & Release

• I've checked that the documentation builds without failing. See the Handbook
• I've thought about how and when this needs to be released. See the Handbook
• I've updated the changelog, if necessary. See the Handbook
• I've updated reference.rst to reflect any changes to schema structure or naming.
• I've updated the BODS validation specification if necessary. See the Handbook
• I've added or edited any other related documentation. See the Handbook