chore: Adds FDv2 PayloadProcessor #145

Job	Run time
test-platforms-and-versions (ubuntu-latest, 17)	42s
test-platforms-and-versions (ubuntu-latest, 11)	47s
test-contract-tests	44s
test-platforms-and-versions (ubuntu-latest, 19)	43s
test-packaging	47s
test-platforms-and-versions (ubuntu-latest, 8)	44s
	4m 27s

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