r24: Bump github.com/daaku/http2nc from 0.1.0 to 0.1.2

Bumps [github.com/daaku/http2nc](https://github.com/daaku/http2nc) from 0.1.0 to 0.1.2.
- [Commits](https://github.com/daaku/http2nc/compare/v0.1.0...v0.1.2)

---
updated-dependencies:
- dependency-name: github.com/daaku/http2nc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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