feat: Graph.Nearest_Neighbor_Graph #1950

Job	Run time
Build wheels on Linux (aarch64/manylinux)	11m 44s
Build wheels on Linux (x86_64)	22m 45s
Build wheels on macOS (x86_64)	8m 38s
Build wheels on Linux (aarch64/musllinux)	7m 38s
Build wheels on macOS (arm64)	4m 44s
Build wheels for WebAssembly	7m 43s
Build with sanitizers for debugging purposes	3m 18s
Build sdist and test extra dependencies	3m 39s
Build wheels on Windows (x64)	27m 0s
Build wheels on Windows (Win32)	13m 55s
Build wheels on Windows (ARM64)	14m 21s
Build wheels on macOS (x86_64)	17m 43s
Build wheels on macOS (arm64)	9m 57s
Build wheels on Linux (x86_64)	22m 45s
Build wheels on Linux (aarch64/musllinux)	7m 38s
Build wheels on Windows (ARM64)	14m 21s
Build wheels on Linux (aarch64/manylinux)	11m 44s
Build wheels on Windows (x64)	27m 0s
Build sdist and test extra dependencies	3m 39s
Build wheels on Windows (Win32)	13m 55s
Build with sanitizers for debugging purposes	3m 18s
Build wheels for WebAssembly	7m 43s
	4h 25m 8s

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