build(deps): bump third-party/doxyconfig from 41fb1e9 to a73f908

Bumps [third-party/doxyconfig](https://github.com/LizardByte/doxyconfig) from `41fb1e9` to `a73f908`.
- [Commits](LizardByte/doxyconfig@41fb1e9...a73f908)

---
updated-dependencies:
- dependency-name: third-party/doxyconfig
  dependency-version: a73f908fb70fac4f6076a28f0a751239ea5ac2d3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]