Bump axum from 0.7.5 to 0.7.6 in /MaintenanceWorker in the cargo group

Bumps the cargo group in /MaintenanceWorker with 1 update: [axum](https://github.com/tokio-rs/axum).


Updates `axum` from 0.7.5 to 0.7.6
- [Release notes](https://github.com/tokio-rs/axum/releases)
- [Changelog](https://github.com/tokio-rs/axum/blob/main/CHANGELOG.md)
- [Commits](tokio-rs/axum@axum-v0.7.5...axum-v0.7.6)

---
updated-dependencies:
- dependency-name: axum
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: cargo
...

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