build(deps): bump doxygen-awesome-css from df88fe4 to c01e51e

Bumps [doxygen-awesome-css](https://github.com/jothepro/doxygen-awesome-css) from `df88fe4` to `c01e51e`.
- [Release notes](https://github.com/jothepro/doxygen-awesome-css/releases)
- [Commits](jothepro/doxygen-awesome-css@df88fe4...c01e51e)

---
updated-dependencies:
- dependency-name: doxygen-awesome-css
  dependency-type: direct:production
...

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