Bump some dependencies to get rid of some indirect ones

[teutoburg]

Bump the indirect dependencies jupyter-client, nbconvert and ipython in the poetry lock file, so backcall, entrypoints and pickleshare are no longer required, reducing sompesim's total indirect dependencies.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 75.50%. Comparing base (783f857) to head (f09b635).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #445 +/- ## ======================================= Coverage 75.50% 75.50% ======================================= Files 64 64 Lines 7833 7833 ======================================= Hits 5914 5914 Misses 1919 1919 ```

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[hugobuddel]

Thanks!