Tests

Make CI work again #260

Job	Run time
Stack (ubuntu-latest, --resolver nightly --stack-yaml stack-nightly.yaml)	11m 32s
Stack (ubuntu-latest, --resolver lts-21)	11m 16s
Stack (ubuntu-latest, --resolver lts-20 --stack-yaml stack-lts-20.yaml)	11m 34s
Stack (ubuntu-latest, --resolver lts-19 --stack-yaml stack-lts-19.yaml)	11m 20s
Stack (ubuntu-latest, --resolver lts-18 --stack-yaml stack-lts-18.yaml)	10m 20s
Stack (macos-latest, --resolver nightly --stack-yaml stack-nightly.yaml)	17m 31s
Stack (macos-latest, --resolver lts-21)	23m 25s
Stack (macos-latest, --resolver lts-20 --stack-yaml stack-lts-20.yaml)	17m 43s
Stack (macos-latest, --resolver lts-19 --stack-yaml stack-lts-19.yaml)	20m 18s
Stack (macos-latest, --resolver lts-18 --stack-yaml stack-lts-18.yaml)	21m 54s
Stack (windows-latest, --resolver nightly --stack-yaml stack-nightly.yaml)	15m 36s
Stack (windows-latest, --resolver lts-21)	16m 24s
Stack (windows-latest, --resolver lts-20 --stack-yaml stack-lts-20.yaml)	17m 32s
Stack (windows-latest, --resolver lts-19 --stack-yaml stack-lts-19.yaml)	17m 50s
Stack (windows-latest, --resolver lts-18 --stack-yaml stack-lts-18.yaml)	19m 32s
	4h 3m 47s

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