chore: add fdv2 store & update sources to use fdv2 protocol definitions #221

Job	Run time
go-versions / go-versions	3s
Windows, Go 1.23	52s
Windows, Go 1.22	1m 42s
Windows, Go 1.18	54s
Linux, Go 1.18 / Unit Tests and Coverage	21s
Linux, Go 1.18 / Contract Tests	31s
Linux, Go 1.18 / Benchmarks	3m 58s
Linux, Go 1.22 / Benchmarks	3m 36s
Linux, Go 1.22 / Contract Tests	17s
Linux, Go 1.22 / Unit Tests and Coverage	21s
Linux, Go 1.23 / Benchmarks	3m 52s
Linux, Go 1.23 / Contract Tests	25s
Linux, Go 1.23 / Unit Tests and Coverage	20s
	17m 12s

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