Specify accepted types for UpsertRows values #16207

Job	Run time
examples / examples	2m 8s
test / test (2.7, ubuntu-latest)	1m 19s
test / test (3.2, ubuntu-latest)	56s
pre-commit / pre-commit	1m 41s
test / test (jruby-9.4.12.0, ubuntu-latest)	2m 54s
report	9s
	9m 7s

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