NEXUS-484: Support UpdateWorkflow as a Nexus Operation #5649

Job	Run time
cloud-test	2m 25s
check-protos	9m 10s
test-latest-deps	11m 3s
build-lint-test (3.14, ubuntu-latest)	21m 59s
features-tests / test	9m 24s
build-lint-test (3.10, windows-latest)	18m 57s
build-lint-test (3.14, macos-arm)	13m 57s
build-lint-test (3.10, ubuntu-arm)	12m 33s
build-lint-test (3.14, windows-latest)	20m 16s
build-lint-test (3.14, ubuntu-arm)	12m 12s
build-lint-test (3.10, macos-arm)	8m 28s
build-lint-test (3.10, ubuntu-latest)	15m 45s
	2h 36m 9s

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