Bump src/main/resources/csl-styles from c3fd4bd to c11d974

Bumps [src/main/resources/csl-styles](https://github.com/citation-style-language/styles) from `c3fd4bd` to `c11d974`.
- [Release notes](https://github.com/citation-style-language/styles/releases)
- [Commits](citation-style-language/styles@c3fd4bd...c11d974)

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