build(deps): bump third-party/doxyconfig from 5fcfd9a to 4c05198 (#3269)

Bumps [third-party/doxyconfig](https://github.com/LizardByte/doxyconfig) from `5fcfd9a` to `4c05198`.
- [Commits](LizardByte/doxyconfig@5fcfd9a...4c05198)

---
updated-dependencies:
- dependency-name: third-party/doxyconfig
  dependency-type: direct:production
...

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