Prepare for Python 3.13, fix issues with numpy>2 & matplotlib, (#1131)

Clean doc warnings (#1124)

* clean doc lints

Allow axon-carrying-denrite with fork axon subtrees (#1127)

V4 (#1111)

* Mixed subtree processing (#981)
* Refactor tests for test_mixed.py (#1027)
* Remove deprecated modules and functions/classes & warnings (#1026, #1032)
* Use readonly morphio Morphology by default (#979)
* Morphology level radial distance features use the soma as reference point (#1030)
* Expose subtree processing from the morph_stats api (#1034)
* Remove pyXX prefix for lint, docs, and coverage (#1038)
* Fix tutorials and add tutorial testenv (#1039)
* Add isort for formatting/linting (#1040)
* Add testing of example scripts (#1041)
* Make documentation/docstrings testable (#1035)
* Add black to neurom, format everything, and add to lint (#1042)
* Fix load_morpholgies to always resolve paths (#1047)
* allow Morphology objects to be either mut or immut (#1049)
* Replace iter_* methods by properties in core objects and improve iter_segments (#1054)
* Decouple Morphology constructor from io (#1120)
* Move soma methods to functions (#1118)

Fix mpl.cm.get_cmap deprecation (#1122)

Add check for overlapping points in neurites (#1115)

Make has_no_back_tracking() compatible with generate_annotation() (#1114

)

fix location of readme, update links for badges and banner (#1107)

do not use master for github actions (#1101)

try updating .zenodo.json (#1099)

make it pass jsonschema from https://github.com/zenodraft/metadata-schema-zenodo