* update nix to flake

* add nix sanity check cronjob

Bumps [Swatinem/rust-cache](https://github.com/Swatinem/rust-cache) from 1 to 2.
- [Release notes](https://github.com/Swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Swatinem/rust-cache/compare/v1...v2)

---
updated-dependencies:
- dependency-name: Swatinem/rust-cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [styfle/cancel-workflow-action](https://github.com/styfle/cancel-workflow-action) from 0.9.1 to 0.11.0.
- [Release notes](https://github.com/styfle/cancel-workflow-action/releases)
- [Commits](https://github.com/styfle/cancel-workflow-action/compare/0.9.1...0.11.0)

---
updated-dependencies:
- dependency-name: styfle/cancel-workflow-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>