fix: make sure to compile igrpah with LTO when available #1589

Job	Run time
Build wheels on Linux (aarch64/musllinux)	0s
Build wheels on Linux (aarch64/musllinux)	0s
Build sdist and test extra dependencies	2m 45s
Build sdist and test extra dependencies	2m 45s
Build wheels on Linux (aarch64/manylinux)	0s
Build wheels on Linux (aarch64/manylinux)	0s
Build wheels on Linux (x86_64)	44s
Build wheels on Linux (x86_64)	44s
Build wheels on Linux (i686)	43s
Build wheels on Linux (i686)	43s
Build wheels on macOS (x86_64)	19m 10s
Build wheels on macOS (x86_64)	19m 10s
Build wheels for WebAssembly	7m 4s
Build wheels for WebAssembly	7m 4s
Build wheels on Windows (Win32)	11m 49s
Build wheels on Windows (Win32)	11m 49s
Build wheels on macOS (arm64)	9m 14s
Build wheels on macOS (arm64)	9m 14s
Build wheels on Windows (x64)	30m 17s
Build wheels on Windows (x64)	30m 17s
Build with sanitizers for debugging purposes	48s
Build with sanitizers for debugging purposes	48s
	2h 45m 8s

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