doc: Enable building docs with Python 3.13

[dweindl]

Work around some pysb/sympy/petab/numpy/Python compatibilty issues.

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	jinja2@​3.1.4 ⏵ 3.1.6	+1	+4

View full report

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.91%. Comparing base (9ea6aef) to head (e9dd9fb).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2704   +/-   ##
========================================
  Coverage    77.91%   77.91%           
========================================
  Files          326      326           
  Lines        23004    23004           
  Branches      1479     1479           
========================================
  Hits         17924    17924           
  Misses        5069     5069           
  Partials        11       11           

Flag	Coverage Δ
cpp	74.76% <ø> (ø)
cpp_python	33.57% <ø> (ø)
petab	39.42% <ø> (ø)
python	72.95% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.