Add include for optional (#4653) #14586

Job	Run time
python lint check	27s
clang format	35s
sanity checks	8s
rustfmt check	10s
clang tidy & clangd diagnostics check	26m 19s
shell test	13m 33s
rust build & test	12m 32s
generate binary dataset	1m 11s
gcc build & test	12m 39s
clang build & test	15m 48s
msvc build & test	32m 44s
code coverage	31m 46s
webassembly build & test	15m 9s
apple clang build & test	11m 24s
macos extension test	2m 12s
gcc build & test with asan	36m 55s
gcc build & test in-mem only with various vector size	3m 34s
clang build & test with page_size_log2=16	3m 35s
linux extension test	21m 1s
clang build & test with page_size_log2=18	7m 33s
benchmark / benchmark	15m 21s
report benchmark result	0s
windows extension test	7m 7s
	4h 31m 43s

Provide feedback