Move slack adapter to separate package #1030

Job	Run time
initialize	3s
build (ubuntu-22.04, 3.8, cp38, false)	9m 6s
lint (ubuntu-22.04, 3.9)	58s
build (ubuntu-22.04, 3.9, cp39, false)	8m 51s
build_sdist (ubuntu-22.04, 3.9)	40s
build (ubuntu-22.04, 3.10, cp310, false)	9m 15s
build (ubuntu-22.04, 3.11, cp311, false)	9m 14s
build (ubuntu-22.04, 3.12, cp312, false)	9m 10s
build (macos-14, 3.11, cp311, false)	5m 56s
build (macos-14, 3.12, cp312, false)	8m 5s
build (windows-2019, 3.12, cp312, false)	17m 58s
test_sdist	0s
test_dependencies (ubuntu-20.04, 3.9, sqlalchemy>=2)	1m 6s
test_dependencies (ubuntu-20.04, 3.9, sqlalchemy<2)	1m 23s
test_dependencies (ubuntu-20.04, 3.9, numpy==1.19.5)	1m 0s
test (ubuntu-22.04, 3.8, false)	2m 14s
test (ubuntu-22.04, 3.9, false)	2m 19s
test (ubuntu-22.04, 3.10, false)	2m 7s
test (ubuntu-22.04, 3.11, false)	2m 15s
test (ubuntu-22.04, 3.12, false)	2m 2s
test (macos-14, 3.11, false)	2m 30s
test (macos-14, 3.12, false)	2m 24s
test (windows-2019, 3.12, false)	4m 31s
publish_release_artifacts	0s
	1h 43m 7s

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