Test Python-3.10 Docker image

[danielhollas]

Not meant to be merged, just a testing Python-3.10 Docker image.

[danielhollas]

Tests are passing :tada:

[codecov[bot]]

Codecov Report

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

Project coverage is 87.12%. Comparing base (d025f77) to head (d74fbd8). Report is 57 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #404 +/- ## ======================================= Coverage 87.12% 87.12% ======================================= Files 27 27 Lines 4643 4643 ======================================= Hits 4045 4045 Misses 598 598 ``` | [Flag](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/404/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | Coverage Δ | | |---|---|---| | [python-3.10](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/404/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `87.12% <ø> (ø)` | | | [python-3.8](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/404/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `87.15% <ø> (ø)` | | | [python-3.9](https://app.codecov.io/gh/aiidalab/aiidalab-widgets-base/pull/404/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab) | `87.15% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidalab#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.