Refactor packages: extract announce and scrape services #2717

Job	Run time
Build on ubuntu-latest (nightly)	3m 21s
Build on ubuntu-latest (stable)	3m 32s
Build on macos-latest (nightly)	3m 29s
Build on macos-latest (stable)	3m 47s
Build on windows-latest (nightly)	6m 56s
Build on windows-latest (stable)	7m 38s
Formatting	18s
Static Analysis (nightly)	2m 0s
Static Analysis (stable)	2m 1s
Units (nightly)	12m 14s
Units (stable)	12m 54s
E2E (nightly)	20m 46s
E2E (stable)	20m 54s
	1h 39m 50s

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