build(deps): bump flake-parts from 17c9d6c to 427bf4b

Bumps [flake-parts](https://github.com/hercules-ci/flake-parts) from `17c9d6c` to `427bf4b`.
- [Commits](hercules-ci/flake-parts@17c9d6c...427bf4b)

---
updated-dependencies:
- dependency-name: flake-parts
  dependency-version: 427bf4bd9435fdf21321c8cc628c24efc14c0f7a
  dependency-type: direct:production
...

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

Author: dependabot[bot]