build(deps): bump third-party/doxyconfig from 6d145da to 5fcfd9a (#…

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Bump third-party/doxyconfig from `6d145da` to `5fcfd9a`

Bumps [third-party/doxyconfig](https://github.com/LizardByte/doxyconfig) from `6d145da` to `5fcfd9a`.
- [Commits](LizardByte/doxyconfig@6d145da...5fcfd9a)

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

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