build(deps): bump third_party/cores/ariane from 5b1c194 to b5b316a

Bumps [third_party/cores/ariane](https://github.com/pulp-platform/ariane) from `5b1c194` to `b5b316a`.
- [Release notes](https://github.com/pulp-platform/ariane/releases)
- [Commits](openhwgroup/cva6@5b1c194...b5b316a)

---
updated-dependencies:
- dependency-name: third_party/cores/ariane
  dependency-type: direct:production
...

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