Add public v2 OpenAPI operations for governance controls #18673

Job	Run time
examples / examples	2m 38s
pre-commit / pre-commit	1m 20s
test / test (jruby-9.4.12.0, ubuntu-latest)	3m 44s
test / test (2.7, ubuntu-latest)	3m 50s
test / test (3.2, ubuntu-latest)	3m 34s
report	10s
	15m 16s

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