Bump libntech from 49cd554 to 8545ebb

Bumps [libntech](https://github.com/cfengine/libntech) from `49cd554` to `8545ebb`.
- [Commits](NorthernTechHQ/libntech@49cd554...8545ebb)

---
updated-dependencies:
- dependency-name: libntech
  dependency-type: direct:production
...

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