services: add new block fetching from NeoFS service #1379

Job	Run time
Check internal dependencies	12s
Check code generated with 'go generate' is up-to-date	37s
CodeQL (go)	2m 28s
Lint	1m 11s
Coverage	6m 47s
Run tests (ubuntu-22.04, 1.20)	7m 37s
Run tests (ubuntu-22.04, 1.21)	6m 55s
Run tests (windows-2022, 1.22)	18m 24s
Run tests (macos-12, 1.22)	12m 27s
Run tests (macos-14, 1.22)	16m 43s
	1h 13m 21s

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