Bump nbconvert from 6.5.0 to 7.0.0 (#6)

Bumps [nbconvert](https://github.com/jupyter/nbconvert) from 6.5.0 to 7.0.0.
- [Release notes](https://github.com/jupyter/nbconvert/releases)
- [Commits](jupyter/nbconvert@6.5...7.0.0)

---
updated-dependencies:
- dependency-name: nbconvert
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ click==8.1.2
 idna==3.3
 joblib==1.1.0
 mypy-extensions==0.4.3
-nbconvert==6.5.0
+nbconvert==7.0.0
 numpy==1.22.3
 pandas==1.4.2
 pathspec==0.9.0