build(deps): bump third-party/doxyconfig from 6d145da to 4b7336e

Bumps [third-party/doxyconfig](https://github.com/LizardByte/doxyconfig) from `6d145da` to `4b7336e`.
- [Commits](LizardByte/doxyconfig@6d145da...4b7336e)

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

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