Use pyproject.toml for doc build

[mrbean-bremen]

• update dependencies

Preparing for 0.8 release.

Tasks

• For documentation changes: docs build succeeded and documentation looks as expected

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.20%. Comparing base (e8644e2) to head (1bcbf4e).
⚠️ Report is 163 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #243      +/-   ##
==========================================
- Coverage   89.82%   89.20%   -0.63%     
==========================================
  Files          15       21       +6     
  Lines        1632     2139     +507     
==========================================
+ Hits         1466     1908     +442     
- Misses        166      231      +65     

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