Bump buildres/abbrv.jabref.org from 50edbd5 to 1ad9773 (#12120)

Bumps [buildres/abbrv.jabref.org](https://github.com/JabRef/abbrv.jabref.org) from `50edbd5` to `1ad9773`.
- [Release notes](https://github.com/JabRef/abbrv.jabref.org/releases)
- [Commits](JabRef/abbrv.jabref.org@50edbd5...1ad9773)

---
updated-dependencies:
- dependency-name: buildres/abbrv.jabref.org
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>