Drop Python 3.7/3.8 support; add Python 3.12 & packaging fixes

[sk1p]

Sibling of LiberTEM/LiberTEM#1607

Also use tox-uv for installing packages in CI

Contributor Checklist:

• I have added or updated my entry in the creators.json file
• I have added a changelog entry for my contribution
• I have added/updated documentation for all user-facing changes
• I have added/updated test cases

Reviewer Checklist:

• /azp run libertem.libertem-live-data passed

[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.75%. Comparing base (37f1ea7) to head (4dc3ec2).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #149      +/-   ##
==========================================
+ Coverage   79.56%   79.75%   +0.18%     
==========================================
  Files          35       35              
  Lines        3441     3442       +1     
  Branches      581      581              
==========================================
+ Hits         2738     2745       +7     
+ Misses        565      560       -5     
+ Partials      138      137       -1     

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[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[sk1p]

tox-uv failures are due to our sdist name being completely wrong. Citing from https://packaging.python.org/en/latest/specifications/binary-distribution-format/#escaping-and-unicode, which is referenced from https://peps.python.org/pep-0625/#specification:

As the components of the filename are separated by a dash (-, HYPHEN-MINUS), this character cannot appear within any component. [..]

The issue can be reproduced by running python -m build --sdist in the LiberTEM-live source tree.

Next step would be finding out why this is the case, how that name is generated, if we are at fault or if this is an upstream bug (setuptools?) etc.

[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines failed to run 1 pipeline(s).

[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[sk1p]

/azp run libertem.libertem-live-data

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).