Bump libntech from 85fcb1b to b72187c

Bumps [libntech](https://github.com/cfengine/libntech) from `85fcb1b` to `b72187c`.
- [Commits](NorthernTechHQ/libntech@85fcb1b...b72187c)

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

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