Merge branch 'make-growing-types-non_exhaustive' #200

Job	Run time
formatting	15s
linting	18s
audit	16s
build-and-test (ubuntu-latest, stable)	1m 17s
build-and-test (ubuntu-latest, beta)	1m 23s
build-and-test (macos-latest, stable)	2m 10s
build-and-test (macos-latest, beta)	1m 40s
build-and-test (windows-latest, stable)	2m 35s
build-and-test (windows-latest, beta)	2m 43s
build-and-test (ubuntu-latest, nightly)	1m 24s
build-and-test (ubuntu-latest, 1.70.0)	1m 26s
	15m 27s

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