gds: init scc computation using kosaraju's algorithm #15368

Job	Run time
rustfmt check	13s
sanity checks	9s
clang format	49s
python lint check	26s
shell test	11m 31s
clang tidy & clangd diagnostics check	2m 16s
rust build & test	6m 36s
generate binary dataset	3m 26s
gcc build & test	7m 42s
clang build & test	7m 41s
code coverage	6m 10s
apple clang build & test	7m 45s
msvc build & test	7m 32s
webassembly build & test	7m 42s
windows extension test	1s
clang build & test with page_size_log2=${{ matrix.page_size_log2 }}	1s
gcc build & test with asan	1s
gcc build & test in-mem only with various vector size	1s
benchmark	1s
linux extension test	1s
report benchmark result	1s
macos extension test	1s
	1h 10m 6s

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