Tests

[do not merge!] Update matplotlib to newest version #8453

Job	Run time
Check Spelling	9s
Check code formatting (Black)	35s
Compatibility tests	5m 1s
Build Sphinx docs	6m 8s
pytest (py3.10/win64)	27m 47s
pytest (py3.11/linux)	22m 46s
pytest (py3.13/win64)	27m 56s
pytest (py3.12/win64)	28m 37s
pytest (py3.11/win64)	41m 34s
pytest (py3.12/linux)	13m 41s
pytest (py3.13/linux)	13m 25s
pytest (py3.10/linux)	14m 24s
Pylint	4m 48s
Upload coverage report (Codecov) (win64)	11s
Upload coverage report (Codecov) (linux)	13s
	3h 27m 15s

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