Refactor packages: extract announce and scrape services #2711

Job	Run time
Build on ubuntu-latest (nightly)	3m 22s
Formatting	13s
Build on ubuntu-latest (stable)	3m 44s
Build on macos-latest (nightly)	5m 7s
Build on macos-latest (stable)	5m 21s
Build on windows-latest (nightly)	6m 52s
Build on windows-latest (stable)	7m 48s
Static Analysis (nightly)	2m 2s
Static Analysis (stable)	2m 6s
Units (nightly)	12m 53s
Units (stable)	12m 51s
E2E (nightly)	20m 29s
E2E (stable)	20m 28s
	1h 43m 16s

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