([Full Changelog](https://github.com/jupyter/nbconvert/compare/v7.2.7...73f7b1b93a4526d7e9d987f5a5b207eaed8171f2))
Bugs fixed
- always pass relax_add_props=True when validating [1936](https://github.com/jupyter/nbconvert/pull/1936) ([minrk](https://github.com/minrk))
Maintenance and upkeep improvements
- Update codecov link [1935](https://github.com/jupyter/nbconvert/pull/1935) ([blink1073](https://github.com/blink1073))
- Fix types and add lint to automerge [1932](https://github.com/jupyter/nbconvert/pull/1932) ([blink1073](https://github.com/blink1073))
- Add type checking [1930](https://github.com/jupyter/nbconvert/pull/1930) ([blink1073](https://github.com/blink1073))
- Add spelling and docstring enforcement [1929](https://github.com/jupyter/nbconvert/pull/1929) ([blink1073](https://github.com/blink1073))
- Add scheduled ci run [1926](https://github.com/jupyter/nbconvert/pull/1926) ([blink1073](https://github.com/blink1073))
Contributors to this release
([GitHub contributors page for this release](https://github.com/jupyter/nbconvert/graphs/contributors?from=2022-12-19&to=2023-01-16&type=c))
[blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnbconvert+involves%3Ablink1073+updated%3A2022-12-19..2023-01-16&type=Issues) | [maartenbreddels](https://github.com/search?q=repo%3Ajupyter%2Fnbconvert+involves%3Amaartenbreddels+updated%3A2022-12-19..2023-01-16&type=Issues) | [martinRenou](https://github.com/search?q=repo%3Ajupyter%2Fnbconvert+involves%3AmartinRenou+updated%3A2022-12-19..2023-01-16&type=Issues) | [minrk](https://github.com/search?q=repo%3Ajupyter%2Fnbconvert+involves%3Aminrk+updated%3A2022-12-19..2023-01-16&type=Issues) | [pre-commit-ci](https://github.com/search?q=repo%3Ajupyter%2Fnbconvert+involves%3Apre-commit-ci+updated%3A2022-12-19..2023-01-16&type=Issues)