Bump axum from 0.7.6 to 0.7.7 in /stats-server in the deps group (#305)

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


Updates `axum` from 0.7.6 to 0.7.7
- [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-v0.7.6...axum-v0.7.7)

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

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