Changes for project configuration and deployment via CI

[joachimmetz]

No description provided.

[joachimmetz]

Depends on #1273

[codecov]

Codecov Report

❌ Patch coverage is 9.67742% with 56 lines in your changes missing coverage. Please review.
✅ Project coverage is 36.35%. Comparing base (bffff90) to head (f85c207).

Files with missing lines	Patch %	Lines
l2tdevtools/helpers/project.py	3.22%	30 Missing ⚠️
l2tdevtools/dependency_writers/pyproject.py	11.76%	15 Missing ⚠️
l2tdevtools/dependency_writers/github_actions.py	0.00%	9 Missing ⚠️
l2tdevtools/dependency_writers/appveyor_yml.py	0.00%	1 Missing ⚠️
l2tdevtools/project_config.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1274      +/-   ##
==========================================
- Coverage   36.54%   36.35%   -0.19%     
==========================================
  Files          44       44              
  Lines        3683     3716      +33     
==========================================
+ Hits         1346     1351       +5     
- Misses       2337     2365      +28     

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