feat: add a AggregateQueryStats API #106185

Job	Run time
CI (ubuntu-latest, 4.0, --rubocop-toplevel --rubocop --build --yard --linkinator)	1m 21s
CI (windows-latest, 4.0, --test)	4m 20s
CI (ubuntu-latest, 4.0, --test)	1m 7s
CI (ubuntu-latest, 3.1, --test)	54s
CI (ubuntu-latest, 3.2, --test)	1m 8s
CI (ubuntu-latest, 3.4, --test)	1m 10s
CI (ubuntu-latest, 3.3, --test)	1m 11s
CI (macos-latest, 4.0, --test)	1m 5s
	12m 16s

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