tests

Explicitly track whether FIN has been acknowledged #931

Job	Run time
Check for spelling errors	12s
lint	20s
docs	23s
package-source	11s
package-wheel (macos-latest, arm64)	2m 28s
test (ubuntu-latest, 3.12)	1m 5s
package-wheel (macos-latest, x86_64)	7m 56s
test (ubuntu-latest, 3.11)	58s
package-wheel (ubuntu-latest, aarch64)	25m 34s
test (ubuntu-latest, 3.10)	58s
package-wheel (ubuntu-latest, i686)	1m 31s
test (ubuntu-latest, 3.9)	1m 10s
package-wheel (ubuntu-latest, x86_64)	5m 9s
package-wheel (windows-latest, AMD64)	10m 32s
test (ubuntu-latest, 3.8)	59s
package-wheel (windows-latest, x86)	3m 18s
test (macos-latest, 3.12)	2m 7s
test (macos-latest, 3.11)	1m 12s
test (macos-latest, 3.10)	1m 13s
test (macos-latest, 3.9)	1m 21s
test (macos-latest, 3.8)	1m 28s
test (windows-latest, 3.12)	3m 33s
test (windows-latest, 3.11)	3m 26s
test (windows-latest, 3.10)	3m 33s
test (windows-latest, 3.9)	3m 6s
test (windows-latest, 3.8)	3m 28s
publish	19s
	1h 27m 30s

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