KCore Parallel implementation #14617

Job	Run time
sanity checks	8s
clang format	34s
rustfmt check	10s
python lint check	23s
clang tidy & clangd diagnostics check	3m 17s
shell test	4m 52s
rust build & test	8m 34s
generate binary dataset	1m 20s
code coverage	0s
gcc build & test	0s
clang build & test	0s
webassembly build & test	0s
apple clang build & test	0s
msvc build & test	0s
gcc build & test with asan	0s
gcc build & test in-mem only with various vector size	0s
benchmark	0s
clang build & test with page_size_log2=${{ matrix.page_size_log2 }}	0s
linux extension test	0s
macos extension test	0s
windows extension test	0s
report benchmark result	0s
	19m 18s

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