chore(deps-dev): bump nbmake from 1.5.4 to 1.5.5 (#956)

Bumps [nbmake](https://github.com/treebeardtech/nbmake) from 1.5.4 to 1.5.5.
- [Release notes](https://github.com/treebeardtech/nbmake/releases)
- [Commits](treebeardtech/nbmake@v1.5.4...v1.5.5)

---
updated-dependencies:
- dependency-name: nbmake
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>