feat(policy): SPIKE transactions support #6069

Job	Run time
go (examples)	58s
image build	2m 2s
Protocol Buffer Lint and Gencode Up-to-date check	23s
go (sdk)	2m 7s
integration tests	3m 45s
go (service)	1m 52s
otdfctl e2e tests	3m 19s
go (lib/ocrypto)	59s
license check	56s
go (lib/fixtures)	52s
go (lib/flattening)	42s
platform-xtest / cross-client-test	4m 33s
ci	1s
	22m 29s

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