Add support for v2 host announcements #7558

Job	Run time
analyze	1m 23s
test-mysql-v2 (1.22)	21m 7s
test-sqlite-v2 (1.22)	20m 47s
test-mysql (1.22)	21m 9s
test-mysql-v2 (1.23)	21m 3s
test-sqlite-v2 (1.23)	20m 47s
test-mysql (1.23)	21m 7s
test-sqlite / test (1.22, ubuntu-latest)	10m 47s
test-sqlite / test (1.22, windows-latest)	10m 46s
test-sqlite / test (1.22, macos-latest)	10m 51s
test-sqlite / test (1.23, ubuntu-latest)	10m 49s
test-sqlite / test (1.23, windows-latest)	10m 46s
test-sqlite / test (1.23, macos-latest)	10m 51s
test-sqlite / success	0s
success	0s
	3h 12m 13s

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