build(deps): bump third-party/doxyconfig from 334ad6a to e552f7c (#130)

Bumps [third-party/doxyconfig](https://github.com/LizardByte/doxyconfig) from `334ad6a` to `e552f7c`.
- [Release notes](https://github.com/LizardByte/doxyconfig/releases)
- [Commits](LizardByte/doxyconfig@334ad6a...e552f7c)

---
updated-dependencies:
- dependency-name: third-party/doxyconfig
  dependency-version: e552f7c9f00cd0cf24764a37d0905935b3d2c188
  dependency-type: direct:production
...

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Author: dependabot[bot]