System Nexus payload handling from WIT #5491

Job	Run time
features-tests / test	8m 47s
build-lint-test (3.14, ubuntu-arm)	11m 52s
build-lint-test (3.14, ubuntu-latest)	19m 38s
build-lint-test (3.10, ubuntu-latest)	15m 1s
build-lint-test (3.14, windows-latest)	24m 27s
build-lint-test (3.14, macos-arm)	11m 54s
build-lint-test (3.10, ubuntu-arm)	14m 51s
build-lint-test (3.10, macos-arm)	7m 11s
test-latest-deps	11m 4s
build-lint-test (3.10, windows-latest)	23m 53s
cloud-test	3m 20s
check-protos	8m 26s
	2h 40m 24s

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