Add missing aggregate functions #278

Job	Run time
build / lint-python	10s
build / lint-rust	19s
build / lint-toml	4s
build / generate-license	45s
build / check-crates-patch	0s
build / ManyLinux arm64	4m 22s
build / macOS arm64 & Windows (3.10, windows-latest)	3m 56s
build / ManyLinux x86_64	4m 23s
build / macOS arm64 & Windows (3.10, macos-latest)	4m 38s
build / build-macos-x86_64	0s
build / Source distribution	0s
build / Build docs	1s
build / Merge build artifacts	1s
test	0s
	18m 39s

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