Bump src/main/resources/csl-styles from d9989a2 to 35ac18d

Bumps [src/main/resources/csl-styles](https://github.com/citation-style-language/styles) from `d9989a2` to `35ac18d`.
- [Release notes](https://github.com/citation-style-language/styles/releases)
- [Commits](citation-style-language/styles@d9989a2...35ac18d)

---
updated-dependencies:
- dependency-name: src/main/resources/csl-styles
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>