build(deps): bump doxygen-awesome-css from 245c7c9 to df83fbf

Bumps [doxygen-awesome-css](https://github.com/jothepro/doxygen-awesome-css) from `245c7c9` to `df83fbf`.
- [Release notes](https://github.com/jothepro/doxygen-awesome-css/releases)
- [Commits](jothepro/doxygen-awesome-css@245c7c9...df83fbf)

---
updated-dependencies:
- dependency-name: doxygen-awesome-css
  dependency-type: direct:production
...

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