EU style 1st ed (en, author-date)

[LuisMach]

European Union Interinstitutional style in author-data format (English), 1st Edition (revision 18e-2024.11.21).
Includes updated rules for all types of documents described in the Interinstitutional Style Guide (update 2.10.2024 - https://style-guide.europa.eu/en/content/-/isg/topic?identifier=5.9.4-bibliographic-references).

[github-actions]

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[adam3smith]

Ignore the error for now. That's a problem with the test, not the style