Add public v2 OpenAPI operations for governance controls #18662

Job	Run time
examples / examples	3m 14s
test / test (2.7, ubuntu-latest)	3m 55s
test / test (3.2, ubuntu-latest)	3m 48s
test / test (jruby-9.4.12.0, ubuntu-latest)	3m 41s
pre-commit / pre-commit	1m 16s
report	8s
	16m 2s

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