Bump nava from 0.6 to 0.7 (#107)

Bumps [nava](https://github.com/openscilab/nava) from 0.6 to 0.7.
- [Release notes](https://github.com/openscilab/nava/releases)
- [Changelog](https://github.com/openscilab/nava/blob/main/CHANGELOG.md)
- [Commits](openscilab/nava@v0.6...v0.7)

---
updated-dependencies:
- dependency-name: nava
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

dev-requirements.txt

@@ -1,5 +1,5 @@
 art==6.3
-nava==0.6
+nava==0.7
 pytest>=4.3.1
 pytest-cov>=2.6.1
 setuptools>=40.8.0