chore!: drop support for Python 3.10 and upgrade to numpy>=2.3

[josafatburmeister]

BREAKING CHANGES: Drop support for Python 3.10 and upgrade to numpy>=2.3 and pointtorch>=1.0.0.

[github-actions]

The documentation for this pull request was deployed at https://ai4trees.github.io/pointtree/pr144.

[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 2 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/pointtree/visualization/_color_point_cloud.py	0.00%	2 Missing ⚠️

Files with missing lines	Coverage Δ
...ttree/evaluation/_instance_segmentation_metrics.py	100.00% <100.00%> (ø)
...instance_segmentation/_coarse_to_fine_algorithm.py	97.53% <100.00%> (ø)
...inttree/instance_segmentation/_tree_x_algorithm.py	99.81% <100.00%> (ø)
src/pointtree/instance_segmentation/filters.py	93.44% <100.00%> (ø)
src/pointtree/visualization/_color_point_cloud.py	25.00% <0.00%> (ø)

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