Update poetry lock file format to 2.0
Since `poetry` 1.3.0 (9 Dec 2022), a new lock file format is used (version 2.0). See release notes: https://github.com/python-poetry/poetry/releases/tag/1.3.0

We should update our poetry lock files to the new format.
Update poetry lock file format to 2.0: Since `poetry` 1.3.0 (9 Dec 2022), a new lock file format is used (version 2.0). See release notes: https://github.com/python-poetry/poetry/releases/tag/1.3.0

We should update our poetry lock files to the new format.