feat: support for new-style imports (#70)

[codecov[bot]]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (0afb87c) 84.63% compared to head (5b81cca) 85.01%. Report is 10 commits behind head on main.

:exclamation: Current head 5b81cca differs from pull request most recent head e5af8d4. Consider uploading reports for the commit e5af8d4 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #72 +/- ## ========================================== + Coverage 84.63% 85.01% +0.38% ========================================== Files 19 19 Lines 1347 1435 +88 ========================================== + Hits 1140 1220 +80 - Misses 207 215 +8 ``` | [Files](https://app.codecov.io/gh/bihealth/varfish-cli/pull/72?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth) | Coverage Δ | | |---|---|---| | [varfish\_cli/api/models.py](https://app.codecov.io/gh/bihealth/varfish-cli/pull/72?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-dmFyZmlzaF9jbGkvYXBpL21vZGVscy5weQ==) | `100.00% <100.00%> (ø)` | | | [varfish\_cli/api/project.py](https://app.codecov.io/gh/bihealth/varfish-cli/pull/72?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-dmFyZmlzaF9jbGkvYXBpL3Byb2plY3QucHk=) | `100.00% <100.00%> (ø)` | | | [varfish\_cli/cli/\_\_init\_\_.py](https://app.codecov.io/gh/bihealth/varfish-cli/pull/72?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-dmFyZmlzaF9jbGkvY2xpL19faW5pdF9fLnB5) | `84.21% <100.00%> (ø)` | | | [varfish\_cli/cli/common.py](https://app.codecov.io/gh/bihealth/varfish-cli/pull/72?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-dmFyZmlzaF9jbGkvY2xpL2NvbW1vbi5weQ==) | `90.00% <100.00%> (+0.09%)` | :arrow_up: | | [varfish\_cli/config.py](https://app.codecov.io/gh/bihealth/varfish-cli/pull/72?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-dmFyZmlzaF9jbGkvY29uZmlnLnB5) | `92.30% <96.96%> (+4.50%)` | :arrow_up: | | [varfish\_cli/cli/projects.py](https://app.codecov.io/gh/bihealth/varfish-cli/pull/72?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-dmFyZmlzaF9jbGkvY2xpL3Byb2plY3RzLnB5) | `85.71% <78.94%> (-14.29%)` | :arrow_down: |

[github-actions[bot]]

Please format your code with black: make black.